Garmin G3X Touch Installation Manual
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Garmin G3X Touch Installation Manual

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Table Of Contents
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Table of Contents

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G3X/G3X Touch
Installation Manual
190-01115-01
July, 2017
Revision AC

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Summary of Contents for Garmin G3X Touch

  • Page 1 G3X/G3X Touch Installation Manual 190-01115-01 July, 2017 Revision AC...
  • Page 2 Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed and to print...
  • Page 3 Updated engine/airframe configuration info 34-173 34.5 Added note regarding database updates 35-4 35.4 Added note regarding static pressure sensor re-calibration 35-5 35.6.1 Added magnetic heading troubleshooting info 35-7 35.6.2 Added data log files info 190-01115-01 G3X/G3X Touch Installation Manual Rev. AC Page i...
  • Page 4 NOTE The Garmin G3X system includes non-TSO certified products that have received no FAA approval or endorsement. Consequently the G3X system is not type-certificated and is not suitable for installation in type-certificated aircraft.
  • Page 5 NOTE The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Garmin is under license. 190-01115-01 G3X/G3X Touch Installation Manual Rev.
  • Page 6 Canada. Pour réduire les éventuelles perturbations radioélectriques nuisibles à d’autres utilisateurs, le type d’antenne et son gain doivent être choisis de manière à ce que la puissance isotrope rayonnée équivalente (P.I.R.E.) n’excède pas les valeurs nécessaires pour obtenir une communication convenable. 190-01115-01 G3X/G3X Touch Installation Manual Rev. AC Page iv...

  • Page 7: Aviation Limited Warranty

    Online auction confirmations are not accepted for warranty verification. To obtain warranty service, an original or copy of the sales receipt from the original retailer is required. Garmin will not replace missing components from any package purchased through an online auction.

  • Page 8: Table Of Contents

    PARAGRAPH PAGE Section 1 Inventory of Materials ..............1-1 1.1 Unpacking Unit........................ 1-1 1.2 Required Garmin Equipment ................... 1-1 1.3 Optional Garmin Equipment.................... 1-2 1.4 Optional Garmin LRUs....................1-4 1.5 Required non-Garmin Equipment..................1-5 1.6 Optional Garmin Equipment (non-LRU)................. 1-7 1.7 Optional non-Garmin Equipment ..................1-7 1.8 Optional 3rd Party Sensors/LRUs..................

  • Page 9: Table Of Contents

    10.1 Equipment Description ....................10-1 10.2 Equipment Available ....................10-2 10.3 General Specifications ....................10-3 10.4 Unit Installation ......................10-3 10.5 Mounting Requirements ....................10-3 10.6 Outline and Installation Drawings ................10-4 190-01115-01 G3X/G3X Touch Installation Manual Rev. AC Page vii...

  • Page 10: Table Of Contents

    16.2 Statement of Compliance (per AC 90-114A CHG1)........... 16-2 16.3 Equipment Available ....................16-2 16.4 General Specifications ....................16-3 16.5 Mounting Requirements ....................16-3 16.6 Unit Installation ......................16-3 16.7 Antennas ........................16-3 190-01115-01 G3X/G3X Touch Installation Manual Rev. AC Page viii...

  • Page 11: Table Of Contents

    21.6 Mounting Considerations..................... 21-7 21.7 Mounting, Wiring, and Power Checks................. 21-8 21.8 Outline and Installation Drawings ................21-10 Section 22 GPS/XM Antenna Installation ............22-1 22.1 Non-Garmin Antennas ....................22-1 22.2 Garmin Antennas ......................22-2 190-01115-01 G3X/G3X Touch Installation Manual Rev. AC...

  • Page 12: Table Of Contents

    26.1 Core Interconnect Drawings w/GSU 25 and/or GAD 29 ..........26-1 26.2 External Interconnect Drawings w/GSU 25 .............. 26-10 Section 27 G3X w/GSU 73 Interconnect Drawings ........27-1 27.1 Core Interconnect Drawings ..................27-1 27.2 External Interconnect Drawings w/GSU 73 ..............27-5 190-01115-01 G3X/G3X Touch Installation Manual Rev. AC Page x...

  • Page 13: Table Of Contents

    33.4 Configuration Pages..................... 33-5 33.5 Garmin Database Updates ..................33-140 33.6 SiriusXM® Activation Instructions (GDU 375 only) ..........33-144 33.7 External Interface Configuration (Garmin units only) ..........33-145 33.8 GDU Splash Screen ....................33-148 33.9 Checklist Editor ....................... 33-148 Section 34 GDU 4XX Configuration and Post Installation Checkout ..34-1 34.1 Recommended Test Equipment ...................

  • Page 14: Table Of Contents

    35.6 ADAHRS Troubleshooting..................35-5 35.7 Post Installation Calibration Procedures ..............35-7 35.8 GSU 73 Data Logging ....................35-8 35.9 Sending Troubleshooting Data to Garmin ..............35-10 Section 36 Maintenance ...................36-1 36.1 Inspections/Continued Airworthiness/Maintenance ............ 36-1 36.2 Return to Service Information ..................36-4 Appendix A Airframe Specific Installation Guidance ........A-1...

  • Page 15: Section 1 Inventory Of Materials

    (some materials are optional and may not be applicable to the installation). Section 1 should be used to verify that all components ordered from Garmin have been delivered correctly, and to identify any required materials that are not provided by Garmin.

  • Page 16: Optional Garmin Equipment

    010-01056-00 G3X Touch - GDU 455, 7” Landscape Display with SXM Receiver 010-01056-10 *Any combination of G3X Touch displays can be installed in a single system (maximum of four displays) **Not compatible with G3X Touch displays 1.3 Optional Garmin Equipment 1.3.1...
  • Page 17 Contact, Sckt, Mil Crimp, size 20, 20-24 AWG 336-00022-02 1.3.2 GPS/XM Antenna(s) A Garmin or non-Garmin GPS antenna is required for a G3X installation. A Garmin or non-Garmin XM antenna is required for G3X installations using SiriusXM® weather. See Section 22 for required materials for antenna installation including mounting brackets, doubler plates, rivets, hardware, cables, connectors, and sealant.

  • Page 18: Optional Garmin Lrus

    1.4 Optional Garmin LRUs Table 1-7 lists optional Garmin LRUs that can be installed with the G3X system. If any of these LRUs are to be used in this installation, verify that all required installation materials such as connector kits have been acquired.

  • Page 19: Required Non-Garmin Equipment

    Pin, Size 20 GEA 24 (MIL P/N (J242 only) M39029/64-369) NOTE Non-Garmin part numbers shown are not maintained by Garmin and consequently are subject to change without notice. 190-01115-01 G3X/G3X Touch Installation Manual - Inventory of Materials Rev. AC Page 1-5...
  • Page 20 SD Card An SD Card is required to be used as a DataCard. Garmin recommends a 2 GB SanDisk® brand SD card for GDU 37X units, and an 8 GB SanDisk® brand SD card for GDU 4XX units. SDXC cards are not supported.

  • Page 21: Optional Garmin Equipment (Non-Lru)

    Antenna Brackets/Doubler Plates Section 22 for detailed information. 1.6.3 Silicon Fusion Tape Garmin Part Number 249-00114-00 or similar, used to wrap the wiring/cable bundles. 1.7 Optional non-Garmin Equipment 1.7.1 Engine/Airframe Sensors Section 23.1 for a list of compatible sensors, and Section 23.3...

  • Page 22: Section 2 Installation Preparation

    Some information from this section is repeated in following sections of this document. Garmin recommends that the installer become familiar with all sections of this document before beginning the installation. The sections of this document are (as much as possible) in the order that should be followed for most installations.
  • Page 23 *Maximum of two (2) COM/NAV (Optional**) GMU 11 Magnetometer units installed. (Optional) **Same as (*) plus GDU to SL40 is TX-only. Figure 2-1 G3X Interconnect Example (GDU 37X) 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-2...
  • Page 24 Section A G3X Touch system can have between one and four GDU 4XX displays, with any combination of 10.6” (GDU 46X) and 7” (GDU 45X or GDU 470) display sizes. Figure 2-2 shows some of the various interface options for a GDU 4XX-based system.
  • Page 25 Section 15 for GMU 22 installation information. The GMU 44 is also supported and is functionally identical to the GMU 22. Refer to Appendix A for magnetometer placement information. 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-4...

  • Page 26: Outside Air Temperature

    The GEA 24 and GSU 73 can drive external annunciator lamps for Master Caution and Master Warning, to provide additional notification of abnormal engine indications. Refer to Section 25 for information on connecting annunciator lamps to GEA 24 or GSU 73 discrete output pins. 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-5...
  • Page 27 Garmin GTN 650/750 or GNS 430/480/530 IFR GPS/NAV receiver. VOR, localizer, and glideslope information from a Garmin GNC 255 or SL30 VHF NAV receiver is also supported. These radios connect to the G3X system via an RS-232 connection to a GDU display.
  • Page 28 2.5.1. The G3X Touch system can send basic flight plan data to a GTN or GNS WAAS navigator, allowing VFR flight plans to be created on the G3X system and uploaded to the IFR navigator. The GDU 4XX display in...
  • Page 29 Section 33 Section 34. Refer to the G3X Pilot’s Guide or G3X Touch Pilot’s Guide for information on G3X autopilot and flight director operation. The GMC 305/307 mode control panel is an optional accessory that provides a convenient set of dedicated controls for the G3X autopilot and flight director.
  • Page 30 FIS-B weather data can be provided to GDU displays from a GDL 39R remote-mounted ADS-B receiver. The GDL 39R can be connected to a single GDU display via RS-232. In a G3X Touch system, the GDL 39R may also be connected to additional GDU 4XX displays wirelessly using Bluetooth.
  • Page 31 In a G3X Touch system with GDU 4XX displays, the GAD 27 electrical control system provides low- voltage protection during engine start, as well as control of the flaps, trim, external lighting, and cockpit lights.
  • Page 32 Garmin Pilot or another application that supports the Garmin Connext protocol. In a G3X Touch system with a GDL 39R ADS-B receiver, the primary connection between the GDL and a single GDU 4XX display is via RS-232. However, Bluetooth may also be used to connect additional GDU 4XX displays to the GDL 39R, in order to view FIS-B weather data on multiple displays.

  • Page 33: Electrical Considerations

    The -20 heated regulated probe uses similar power to the -10 probe when airborne, but will limit the current to regulate the probe temperature to ~75°C (167°F) when the probe temperature reaches this value. 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-12...
  • Page 34 28 Vdc 0.1 Amp *Garmin recommends using Mod 1 level GSU 73 in aircraft that use a +28 V supply voltage and intend to monitor current on high voltage devices such as the aircraft alternator. **The specified current draw is measured with the display backlight set to 100%...

  • Page 35: Wiring/Cabling Considerations

    3.75 Amp, Maximum, 90% modulated into 3:1 VSWR and 22 V power input voltage *Garmin recommends using Mod 1 level GSU 73 in aircraft that use a +28 V supply voltage and intend to monitor current on high voltage devices such as the aircraft alternator.
  • Page 36 (for reference) and recommended crimp tools. CAUTION Check wiring connections for errors before connecting any wiring harnesses. Incorrect wiring could cause internal component damage. 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-15...

  • Page 37: Configuration Module

    Figure 2-4 shows the Apple® iOS compatible configuration module that installs on the GDU 4XX (PFD 1) connector backshell. This configuration module is required for using Connext capability with Apple products. Contact Garmin Aviation Product Support if the GDU 4XX unit was sold with an original green configuration module. See Section 24 for installation instructions.
  • Page 38 Multiple LRUs may be connected in a daisy-chain manner along the backbone of the CAN bus (Figure 2-7). DAISY-CHAINED LRUs TERMINATED BACKBONE LRUs Figure 2-6 Daisy-chained LRUs on Backbone 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-17...
  • Page 39 THE SAME LOCATION. Figure 2-8 Correct CAN Wiring Example DEVICE AVOID “T” OR “Y” SHAPE AVOID STAR SHAPE DO NOT USE THIRD-PARTY HUB DEVICES Figure 2-9 Incorrect CAN Wiring Examples 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-18...
  • Page 40 CAN bus. The total amount of extra wire length added to the CAN HI and CAN LO wires on the GI 260 pigtail harness should not exceed 0.4 meters (15 inches). 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-19...
  • Page 41 WHEN GTR 20/200 IS LOCATED AT END OF CAN BUS WHEN GTR 20/200 IS LOCATED AT END OF CAN BUS CAN_TERM_B CAN_TERM_B Figure 2-14 CAN Bus Termination for GTR 20/200 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-20...
  • Page 42 INCORRECT - ONE OF THE TERMINATIONS IS NOT AT END OF BACKBONE INCORRECT - ONLY ONE END OF BACKBONE IS TERMINATED Figure 2-16 Incorrect CAN Bus Termination Examples 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-21...
  • Page 43 On, but not communicating via CAN Bus Flashing Green On and communicating via CAN Bus Hardware Fault CAN bus network error two similar devices are Alternating Red/Green configured with the same unit ID 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-22...
  • Page 44 Ground potential differences between devices on the CAN bus can cause communication errors. Ground devices to a common ground bus, not to the airframe or to multiple grounding buses. 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-23...

  • Page 45: Mechanical Considerations

    GDU 37X, GDU 45X, GDU 46X, GDU 470, GMC 305, and GMC 307 in the respective LRU sections of this document. Cutout templates for the GDU 37X and GDU 4XX displays are also available in digital form (.DXF files) from the G3X manuals download page on www.garmin.com. Table 2-4 G3X LRU Physical Specifications...
  • Page 46 GMU 11 2.74 inches 0.93 inches 0.16 lbs 0.302 lbs 3.78 inches (9.60 mm) (Magnetom- (6.96 mm) (2.36 mm) (0.0725 kg) (0.1368 kg) eter) *weight includes nut plate 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-25...
  • Page 47 1.7 inches 2.0 lbs GTX 45R (unit, mount, and Backplate, and (160 mm) (43 mm) (0.91 kg) connector backshells) Connectors 2.9 lbs (1.32 kg) *weight includes nut plate 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-26...

  • Page 48: Lru/Sensor Installation Information

    The hierarchy applies to the entire navigation radio even if only the GPS source is in use. So, in a system with a GTN 625 and a GNC 255, GPS1 and NAV2 (respectively) would be available as external navigation sources. 190-01115-01 G3X/G3X Touch Installation Manual - Installation Preparation Rev. AC Page 2-27...

  • Page 49: Equipment Description

    Middle position in the downwind. Similarly, after turning final, the pilot can bump the switch downward again and the GAD 27 will automatically extend the flaps to the full down position. Since the GAD 27 receives airspeed from the G3X Touch system, it can also prevent flap extension when the 190-01115-01 G3X/G3X Touch Installation Manual - GAD 27 Installation Rev.
  • Page 50 Provides a 12V power bus output to keep essential avionics online during engine start when battery voltage drops. 3.1.1 Status LED The GAD 27 has an LED on its outer case that indicates its current status. See Section 35.1.1 for details. 190-01115-01 G3X/G3X Touch Installation Manual - GAD 27 Installation Rev. AC Page 3-2...

  • Page 51: Equipment Available

    1. Mount the unit to a suitable mounting location using (4) #10-32 pan or hex head screws. 2. Assemble the connector backshells and wiring harness. 3. Connect backshell connectors. 190-01115-01 G3X/G3X Touch Installation Manual - GAD 27 Installation Rev. AC Page 3-3...

  • Page 52: Outline And Installation Drawings

    CENTER OF GRAVITY .040 1.02 .100 2.54 3.215 81.66 TYPICAL THICKNESS 3.780 96.01 CENTER OF GRAVITY BENEATH FASTENER HEAD 4.687 119.05 5.204 132.18 Figure 3-2 GAD 27 Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GAD 27 Installation Rev. AC Page 3-4...
  • Page 53 GAD 27 CONNECTOR KIT 011-01855-01 011-03877-00 330-00625-15 GAD 27 011-03876-00 J272 TB273 J271 GAD 27 CONNECTOR KIT 011-03877-00 330-00625-50 P271 011-01855-04 Figure 3-3 GAD 27 Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GAD 27 Installation Rev. AC Page 3-5...
  • Page 54 ARINC 429 I/O connections in these (GSU 73) installations. 4.1.1 Status LED The GAD 29 has an LED on its outer case that indicates its current status. See Section 35.1.1 for details. 190-01115-01 G3X/G3X Touch Installation Manual - GAD 29 Installation Rev. AC Page 4-1...
  • Page 55 1. Mount the unit to a suitable mounting location using (4) #10-32 pan or hex head screws. 2. Assemble the connector backshells and wiring harness. 3. Connect CAN terminator to unit if required (Section 2.3.1.3.3). 4. Connect backshell connectors. 190-01115-01 G3X/G3X Touch Installation Manual - GAD 29 Installation Rev. AC Page 4-2...
  • Page 56 4.6 Outline and Installation Drawings Figure 4-2 GAD 29 Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GAD 29 Installation Rev. AC Page 4-3...
  • Page 57 Figure 4-3 GAD 29 Installation Drawing (no CAN terminator) 190-01115-01 G3X/G3X Touch Installation Manual - GAD 29 Installation Rev. AC Page 4-4...
  • Page 58 Figure 4-4 GAD 29 Installation Drawing (with CAN terminator) 190-01115-01 G3X/G3X Touch Installation Manual - GAD 29 Installation Rev. AC Page 4-5...

  • Page 59: Section 5 Gap 26 (Pitot/Aoa Probe) Installation

    The pneumatic tubing for pitot pressure is the longer of the two tubes extending out of the probe (Figure 5-1). Figure 5-1 GAP 26 Unit View (-10 version shown) 190-01115-01 G3X/G3X Touch Installation Manual - GAP 26 Installation Rev. AC Page 5-1...

  • Page 60: Required Equipment

    • Garmin recommends that the GAP 26 not be used on aircraft where the ship static pressure port is located under the wing (due to the likelihood that the AOA measurement will be significantly...
  • Page 61 “banded” (Figure 5-3) to help identify individual heaters. These heaters can be connected to a power source as shown in Figure 5-4 and Figure 5-5. “Banded” Wire Figure 5-3 GAP 26 Banded Wire 190-01115-01 G3X/G3X Touch Installation Manual - GAP 26 Installation Rev. AC Page 5-3...
  • Page 62 3. CONNECT BANDED WIRES WITH INSULATED MS25181 22-18 AWG BUTT SPLICE CONNECTOR OR EQUIVALENT. BANDED WIRES MAY BE SHORTENED IF DESIRED. Figure 5-5 GAP 26, 28V Installation Configuration (010-01074-10 only) 190-01115-01 G3X/G3X Touch Installation Manual - GAP 26 Installation Rev. AC Page 5-4...
  • Page 63 RED WIRE (BARE) BLACK WIRE (BARE) BLACK WIRE (BARE) BLACK WIRE (BARE) BLACK WIRE (BARE) Figure 5-6 011-02964-20 Probe Wiring Figure 5-7 011-02964-20 Probe to Control Box Connectors 190-01115-01 G3X/G3X Touch Installation Manual - GAP 26 Installation Rev. AC Page 5-5...
  • Page 64 This loss is not to exceed 10 knots/min. While some GAP 26 probes will pass a test of this type, some may not. Garmin has determined that a leak rate of 250 knots/min or less is allowable and still ensures proper functionality.
  • Page 65 5.6 Outline and Installation Drawings Figure 5-8 GAP 26 Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GAP 26 Installation Rev. AC Page 5-7...
  • Page 66 Figure 5-9 GAP 26 Heater Control Box (used with -20 unit only) 190-01115-01 G3X/G3X Touch Installation Manual - GAP 26 Installation Rev. AC Page 5-8...

  • Page 67: Antennas

    #6 captured screws with a 3/32” hex head. The GDU 37X is available in two models, GDU 370 and GDU 375. The GDU 370 is a Garmin Display Unit with a VFR ®...

  • Page 68: Unit Installation

    A G3X system installation can use either GDU 37X or GDU 4XX displays, but a G3X system installation cannot use GDU 37X and GDU 4XX displays. The GDU 37X uses CAN and RS-232 interfaces to communicate with Garmin LRUs and other devices. Refer to...
  • Page 69 A 3/32” hex drive tool is required to secure the GDU 37X to the panel as described in Section 6.6.1 Unit Installation. Figure 6-2 GDU 37X Mounting Accessories 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Installation Rev. AC Page 6-3...
  • Page 70 Section 25.3 for pinouts. Connector kits include backshell assemblies. Garmin’s backshell connectors give the installer the ability to quickly and easily terminate shield grounds at the backshell housing. The instructions needed to assemble the backshell connector w/Shield Block grounding system are located in...
  • Page 71 5.57 in [141.4 mm] For corner holes, center punch and drill (#36) / tap (6/32) to create threaded holes drill out with 25 drill bit and use Garmin nut-plate P/N 115-01054-00 Figure 6-4 GDU 37X Panel Cutout Template 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Installation Rev.
  • Page 72 Outline and Installation Drawings Figure 6-5 GDU 37X Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Installation Rev. AC Page 6-6...
  • Page 73 Figure 6-6 GDU 37X Assembly/Panel Cutout Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Installation Rev. AC Page 6-7...

  • Page 74: Section 7 Gdu 45X (Display Unit) Installation

    The GDU 45X is mounted flush to the aircraft instrument panel using four #6 screws. The GDU 45X is available in two models, GDU 450 and GDU 455. The GDU 450 is a Garmin Display Unit with a GPS 190-01115-01 G3X/G3X Touch Installation Manual - GDU 45X Installation Rev.
  • Page 75 25.4.4). The GDU 45X includes a wireless Bluetooth transceiver than can communicate with tablet computers and other Garmin devices that support the Connext interface protocol. Refer to the G3X Touch Pilot’s Guide (190-01754-00) for guidance in using Connext Bluetooth connections.
  • Page 76 The instructions needed to assemble the backshell connector w/Shield Block grounding system are located in Section Replacement cursor knobs (part number K00-00578-00) for the GDU 45X are available from a Garmin dealer. GDU 45X...
  • Page 77 7-6) (dimensions on the figure are to verify accuracy of printout only). See Figure 7-5 complete cutout dimensions. A .dxf version of the drawing is also available for download at www.garmin.com. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 45X Installation Rev. AC Page 7-4...
  • Page 78 Outline and Installation Drawings Figure 7-3 GDU 45X Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GDU 45X Installation Rev. AC Page 7-5...
  • Page 79 Figure 7-4 GDU 45X Assembly Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GDU 45X Installation Rev. AC Page 7-6...
  • Page 80 Figure 7-5 GDU 45X Panel Cutout Drawing (not to scale) 190-01115-01 G3X/G3X Touch Installation Manual - GDU 45X Installation Rev. AC Page 7-7...
  • Page 81 5.39 in (#36) / tap (6/32) to create threaded holes [137.0 mm] [137.0 mm] drill out with #25 drill bit and use Garmin nut-plate P/N 115-01725-00. The outline in this drawing is identical to the outline of the actual bezel.

  • Page 82: Section 8 Gdu 46X (Display Unit) Installation

    Section 36.2.1.5 for information on replacing a GDU 37X display with a GDU 4XX display. The GDU 46X is not suitable for installation in a type-certificated aircraft. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 46X Installation Rev. AC Page 8-1...
  • Page 83 The GDU 46X is mounted flush to the aircraft instrument panel using four #6 screws. The GDU 46X is available in two models, GDU 460 and GDU 465. The GDU 460 is a Garmin Display Unit with a GPS ®...
  • Page 84 The instructions needed to assemble the backshell connector w/Shield Block grounding system are located in Section Replacement cursor knobs (part number K00-00578-00) for the GDU 46X are available from a Garmin dealer. GDU 46X...
  • Page 85 8-6) (dimensions on the figure are to verify accuracy of printout only). See Figure 8-5 complete cutout dimensions. A .dxf version of the drawing is also available for download at www.garmin.com. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 46X Installation Rev. AC Page 8-4...
  • Page 86 Outline and Installation Drawings Figure 8-3 GDU 46X Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GDU 46X Installation Rev. AC Page 8-5...
  • Page 87 Figure 8-4 GDU 46X Assembly Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GDU 46X Installation Rev. AC Page 8-6...
  • Page 88 Figure 8-5 GDU 46X Panel Cutout Drawing (not to scale) 190-01115-01 G3X/G3X Touch Installation Manual - GDU 46X Installation Rev. AC Page 8-7...
  • Page 89 (#36) / tap (6/32) to create threaded holes Cut out panel to inside line 7.29 in 7.29 in drill out with #25 drill bit and use Garmin 185.10 mm 185.10 mm nut-plate P/N 115-01725-01. The outline in this drawing is identical to the outline of the actual bezel.

  • Page 90: Section 9 Gdu 470 (Display Unit) Installation

    Make sure that no dust or grit accumulates at the bottom of the display glass. The GDU 470 display uses invisible infrared beams for touch detection, this makes it very important to keep the screen clean, especially along the edges. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 470 Installation Rev. AC Page 9-1...
  • Page 91 25.4.4). The GDU 470 includes a wireless Bluetooth transceiver than can communicate with tablet computers and other Garmin devices that support the Connext interface protocol. Refer to the G3X Touch Pilot’s Guide (190-01754-00) for guidance in using Connext Bluetooth connections.
  • Page 92 A 3/32” hex drive tool is required to secure the GDU 470 to the panel as described in Section 9.6.1 Unit Installation and shown in Figure 9-4. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 470 Installation Rev. AC Page 9-3...
  • Page 93 The instructions needed to assemble the backshell connector w/Shield Block grounding system are located in Section Replacement cursor knobs (part number K00-00578-00) for the GDU 470 are available from a Garmin dealer. GDU 470...
  • Page 94 Outline and Installation Drawings Figure 9-3 GDU 470 Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GDU 470 Installation Rev. AC Page 9-5...
  • Page 95 Figure 9-4 GDU 470 Assembly Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GDU 470 Installation Rev. AC Page 9-6...
  • Page 96 4X .29 7.4 5.48 139.1 7.30 185.5 0 0.0 2X 3.35 85.2 3.65 92.8 2X 3.68 93.5 Figure 9-5 GDU 470 GDU 47X Nut Plate Drawing (not to scale) 190-01115-01 G3X/G3X Touch Installation Manual - GDU 470 Installation Rev. AC Page 9-7...
  • Page 97 For corner holes, center punch and drill (#36) / tap (6/32) to create threaded holes drill out with #25 drill bit and use Garmin nut-plate P/N 115-01725-03. The outline in this drawing is identical to the outline of the actual bezel.

  • Page 98: Section 10 Gea 24 (Eis Interface) Installation

    The GEA 24 is an input/output system used to monitor and power engine and airframe sensors for the Experimental – Amateur Built (E-AB) and Light Sport Aircraft (LSA) markets. In a G3X Touch system, two GEA 24 units may be installed to monitor and display engine data for twin-engine aircraft, or single- engine aircraft with more than six cylinders.
  • Page 99 Conn, Rcpt, D-Sub, Crimp Socket, Commercial, 37 CKT 330-00625-37 Conn, Rcpt, D-Sub, Crimp Socket, Commercial, 50 CKT 330-00625-50 Contact, Socket, Military Crimp, Size 20 336-00022-02 Contact ,Pin, Military Crimp, Size 20 336-00024-00 190-01115-01 G3X/G3X Touch Installation Manual - GEA 24 Installation Rev. AC Page 10-2...
  • Page 100 Do not mount the GEA 24 on the ‘hot’ side (engine side) of the firewall, or in any location where it would be exposed to radiated heat from the engine. 190-01115-01 G3X/G3X Touch Installation Manual - GEA 24 Installation Rev. AC Page 10-3...
  • Page 101 10.6 Outline and Installation Drawings Figure 10-2 GEA 24 Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GEA 24 Installation Rev. AC Page 10-4...
  • Page 102 Figure 10-3 GEA 24 Assembly Drawing (no CAN terminator) 190-01115-01 G3X/G3X Touch Installation Manual - GEA 24 Installation Rev. AC Page 10-5...
  • Page 103 Figure 10-4 GEA 24 Assembly Drawing (with CAN terminator) 190-01115-01 G3X/G3X Touch Installation Manual - GEA 24 Installation Rev. AC Page 10-6...

  • Page 104: Section 11 Gi 260 (Aoa Indicator) Installation

    The GI 260 Socket Mount (011-03562-00) is included with the unit. The Socket Mount is secured using (3) #6-32 100º flat head screws that are to be supplied by the installer. 190-01115-01 G3X/G3X Touch Installation Manual - GI 260 Installation Rev. AC Page 11-1...

  • Page 105: Unit Calibration

    CENTER OF GRAVITY CENTER OF GRAVITY 2.00 50.8 1.1 27 CENTER OF GRAVITY 6.80 172.7 0.04 1 TYPICAL THICKNESS BENEATH FASTENER HEAD Figure 11-2 GI 260 Display 190-01115-01 G3X/G3X Touch Installation Manual - GI 260 Installation Rev. AC Page 11-2...
  • Page 106 11.7 Outline and Installation Drawings Figure 11-3 GI 260 Outline/Assembly Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GI 260 Installation Rev. AC Page 11-3...

  • Page 107: Section 12 Gmc 305 (Afcs Mode Controller) Installation

    Figure 12-1 GMC 305 Unit View (-20 version shown, -00 version has no YD button) 12.1 Equipment Description The GMC 305 is a Garmin Automatic Flight Control System (AFCS) Mode Controller that can be used in a G3X installation. The GMC 305 provides a user interface for the autopilot function of the G3X system.

  • Page 108: Mounting And Wiring Requirements

    26-1.7). The selected GDU RS-232 channel must be configured for “Garmin Instrument Data”. If the installation includes a Garmin integrated autopilot using GSA 28 servos, the GMC 305 installation also includes an RS-232 connection to the GSA 28 roll servo (Figure 26-1.7).
  • Page 109 12.5 Outline and Installation Drawings Figure 12-2 GMC 305 Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GMC 305 Installation Rev. AC Page 12-3...
  • Page 110 Figure 12-3 GMC 305 Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GMC 305 Installation Rev. AC Page 12-4...
  • Page 111 Figure 12-4 GMC 305 Cutout Drawing (Not to Scale) 190-01115-01 G3X/G3X Touch Installation Manual - GMC 305 Installation Rev. AC Page 12-5...
  • Page 112 NOTES: DIMENSIONS: INCHES[mm]. METRIC VALUES ARE FOR REFERENCE ONLY. DIMENSIONS ARE NOMINAL AND TOLERANCES ARE NOT IMPLIED UNLESS SPECIFICALLY STATED. Figure 12-5 GMC 305 Panel Cutout Template 190-01115-01 G3X/G3X Touch Installation Manual - GMC 305 Installation Rev. AC Page 12-6...

  • Page 113: Section 13 Gmc 307 (Afcs Mode Controller) Installation

    Figure 13-1 GMC 307 Unit View (-00 version shown, -20 version has no YD button) 13.1 Equipment Description The GMC 307 is a Garmin Automatic Flight Control System (AFCS) Mode Controller that can be used in a G3X installation. The GMC 307 provides a user interface for the autopilot function of the G3X system.
  • Page 114 26-1.7). The selected GDU RS-232 channel must be configured for “Garmin Instrument Data”. If the installation includes a Garmin integrated autopilot using GSA 28 servos, the GMC 307 installation also includes an RS-232 connection to the GSA 28 roll servo (Figure 26-1.7).
  • Page 115 13.5 Outline and Installation Drawings Figure 13-3 GMC 307 Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GMC 307 Installation Rev. AC Page 13-3...
  • Page 116 Figure 13-4 GMC 307 Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GMC 307 Installation Rev. AC Page 13-4...
  • Page 117 Figure 13-5 GMC 307 Cutout Drawing (Not to Scale) 190-01115-01 G3X/G3X Touch Installation Manual - GMC 307 Installation Rev. AC Page 13-5...
  • Page 118 1. DIMENSIONS: INCHES [mm]. METRIC VALUES ARE FOR REFERENCE ONLY. 2. TOLERANCES: INCH .XX ±.02 .X ±0.5 .XXX ±.010 .XX ±0.25 Figure 13-6 GMC 307 Panel Cutout Template 190-01115-01 G3X/G3X Touch Installation Manual - GMC 307 Installation Rev. AC Page 13-6...

  • Page 119: Section 14 Gmu 11 (Magnetometer) Installation

    Figure 14-1 GMU 11 Unit View 14.1 Equipment Description The Garmin GMU 11 Magnetometer is a remote mounted device that interfaces with a Garmin ADAHRS (GSU 25) to provide flight attitude and heading data for flight instrumentation. An Attitude and Heading Reference System combines the functions of a Vertical Gyro and a Directional Gyro to provide measurement of Roll, Pitch, and Heading angles.
  • Page 120 212-00024-06 14.4 Unit Installation The following guidelines describe proper mechanical installation of the Garmin GMU 11 Magnetometer. The guidelines include requirements for proper location selection in the aircraft, requirements for supporting structure and mechanical alignment and restriction on nearby equipment.
  • Page 121 Align the GMU 11’s forward direction to within 0.5° of the any of the 4 cardinal directions with relation between its connector and the nose of the aircraft. 190-01115-01 G3X/G3X Touch Installation Manual - GMU 11 Installation Rev. AC Page 14-3...
  • Page 122 GMU 11. Do not use a screwdriver that contains a magnet when installing or servicing the GMU 11. Refer to Section 14.5 for outline and installation drawings. 190-01115-01 G3X/G3X Touch Installation Manual - GMU 11 Installation Rev. AC Page 14-4...
  • Page 123 14.5 Outline and Installation Drawings 2.74 2.28 0.93 1.37 0.38 Figure 14-2 GMU 11 Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GMU 11 Installation Rev. AC Page 14-5...
  • Page 124 Figure 14-3 GMU 11 Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GMU 11 Installation Rev. AC Page 14-6...

  • Page 125: Section 15 Gmu 22 (Magnetometer) Installation

    Figure 15-1 GMU 22 Unit View 15.1 Equipment Description The Garmin GMU 22 Magnetometer is a remote mounted device that interfaces with a Garmin ADAHRS (GSU 25/73) to provide flight attitude and heading data for flight instrumentation. An Attitude and Heading Reference System combines the functions of a Vertical Gyro and a Directional Gyro to provide measurement of Roll, Pitch, and Heading angles.
  • Page 126 336-00022-00 15.4 Unit Installation The following guidelines describe proper mechanical installation of the Garmin GMU 22 Magnetometer. The guidelines include requirements for proper location selection in the aircraft, requirements for supporting structure and mechanical alignment and restriction on nearby equipment.
  • Page 127 GMU 22 units for other GSU 25 ADAHRS units is optional. An ADAHRS without a GMU 22 connected will use magnetometer data supplied by other ADAHRS as long as they are both communicating via CAN. 190-01115-01 G3X/G3X Touch Installation Manual - GMU 22 Installation Rev. AC Page 15-3...
  • Page 128 Figure 15-7 Item Garmin P/N Quantity Figure 15-7 Screw,6-32x.250,PHP,BR,w/Nyl 211-60037-08 Conn,Circular,Female,9 Ckt 330-00360-00 Backshell,Circular,Kit,SS 330-90005-01 Cont,Sckt,Mil Crp,Size 20 336-00022-00 **Included in G3X w/GSU 73 Installation Kit (K10-00017-00) 190-01115-01 G3X/G3X Touch Installation Manual - GMU 22 Installation Rev. AC Page 15-4...
  • Page 129 If the GMU 22 is ever removed, the anti-rotation properties of the mounting screws must be restored. This may be done by replacing the screws with new Garmin part number 211-60037-08. If original screws must be re-used, coat screw threads with Loctite 242 (blue) thread-locking compound, Garmin part number 291-00023-02, or equivalent.
  • Page 130 15.5 Outline and Installation Drawings Figure 15-3 GMU 22 Mounting Rack (115-00481-00) 190-01115-01 G3X/G3X Touch Installation Manual - GMU 22 Installation Rev. AC Page 15-6...
  • Page 131 Figure 15-4 GMU 22 Mounting Rack (115-00481-10) 190-01115-01 G3X/G3X Touch Installation Manual - GMU 22 Installation Rev. AC Page 15-7...
  • Page 132 Figure 15-5 GMU 22 Top Mounted Installation 190-01115-01 G3X/G3X Touch Installation Manual - GMU 22 Installation Rev. AC Page 15-8...
  • Page 133 Figure 15-6 GMU 22 Bottom Mounted Installation 190-01115-01 G3X/G3X Touch Installation Manual - GMU 22 Installation Rev. AC Page 15-9...
  • Page 134 NOTE: 1. BUBBLE NUMBERS IN THIS DRAWING REFER TO REFERENCE NUMBERS LISTED IN TABLES 13-5 AND 13-6. Figure 15-7 GMU 22 Wiring Details 190-01115-01 G3X/G3X Touch Installation Manual - GMU 22 Installation Rev. AC Page 15-10...

  • Page 135: Section 16 Gps 20A (Waas Gps Position Source) Installation

    The GPS 20A provides an ADS-B Out position source. The WAAS/SBAS position information is compatible with a wide range of 1090 ES transponders to meet the position requirements of 14 CFR 91.227. The GPS 20A also provides position data to all G3X and G3X Touch displays. NOTE...

  • Page 136: Statement Of Compliance (Per Ac 90-114A Chg1)

    TSO-C166b and installed in accordance with the instructions in this document. Example transponders which may be used in combination with the GPS 20A for FAR 91.227 compliance are the Garmin GTX 330ES, GTX 23ES, GTX 35R, GTX 45R, GTX 345/345R, and GTX 335/335R.

  • Page 137: Antenna Cable Requirements

    For installations that require less than 6.5 ft of cable, the cable may be coiled, taking into account the minimum bend radius of the cable. 190-01115-01 G3X/G3X Touch Installation Manual - GPS 20A Installation Rev. AC Page 16-3...
  • Page 138 16.9 Outline and Installation Drawings Figure 16-2 GPS 20A Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GPS 20A Installation Rev. AC Page 16-4...
  • Page 139 Figure 16-3 GPS 20A Installation Drawing (no CAN terminator) 190-01115-01 G3X/G3X Touch Installation Manual - GPS 20A Installation Rev. AC Page 16-5...
  • Page 140 Figure 16-4 GPS 20A Installation Drawing (with CAN terminator) 190-01115-01 G3X/G3X Touch Installation Manual - GPS 20A Installation Rev. AC Page 16-6...

  • Page 141: Section 17 Gsa 28 (Autopilot Servo) Installation

    28 maintains a reversionary capability to engage and fly the aircraft in basic wings-level and altitude-hold modes even if all GDU displays in the aircraft are unavailable. 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-1...
  • Page 142 The GSA 28 is compatible with 14 Vdc trim systems only. Do not connect the GSA 28 to a 28 Vdc trim system. Table 17-3 GSA 28 Power Specifications Supply Voltage Current Draw 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-2...
  • Page 143 0.20 Amp (typical), 1.00 Amp (max) 14 Vdc with Auto-trim 0.36 Amp (typical), 2.80 Amp (max) 17.3.2 Torque Specifications Table 17-4 GSA 28 Torque Specifications Characteristic Specification Maximum Rated Torque 60 in-lbs 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-3...
  • Page 144 Cont,Sckt,Mil Crp,Size 20,20-24 AWG,RoHS 336-00022-02 17.4.1 Additional Equipment Required • Cables: The installer will fabricate and supply all system cables. • Mounting hardware is included in the available mounting kits. 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-4...
  • Page 145 Section 25.11 for pinouts. Connector kits include backshell assemblies. Garmin’s backshell connectors give the installer the ability to quickly and easily terminate shield grounds at the backshell housing. The instructions needed to install the Jackscrew Backshell are located in Section 17.5.1 Pinouts...
  • Page 146 This could result in serious injury or death. Please be sure this is well understood prior to flying with the GSA 28 servo. 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-6...
  • Page 147 (e.g. pilot and co-pilot), a GAD 27 or other third-party device capable of mixing multiple trim switches into one is required. See Figure 26-1.8 for additional details. 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-7...
  • Page 148 It is recommended that a removal adapter is kept with each servo installation, in case the GSA 28 needs to be removed without losing functionality of the CAN bus and trim motors. 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-8...
  • Page 149 Figure 17-3 Wiring Diagram For GSA 28 Removal Adapter 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-9...
  • Page 150 17.5.2.6 GSA 28 Mounting Kits Garmin currently provides the mounting kits listed in Table 17-8 for the GSA 28 Servo: Table 17-8 Mounting Kits Mounting Install Manual Garmin P/N Description Bracket Figures Included 011-02952-00 Sub-Assy, GSA 28 Mounting Kit, Generic, Push-Pull 17-8.7...
  • Page 151 .141 1.25 .492±.117 THREAD USABLE ENGAMENT THREAD 10-32 UNF-3A AN315-3R JAM NUT Figure 17-4 General Dimensions For Servo Push Rod And Rod End Bearings 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-11...
  • Page 152 When determining the length of the bridle cable to be ordered, be sure to allow for enough cable to make the required number of wraps around the capstan (see Figure 17-6). Figure 17-5 Bridle Cable 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-12...
  • Page 153 Garmin recommends using the cable arrangement (ball centered in capstan) shown in Figure 17-6 to avoid side-loading the servo center shaft. BOTH CABLES EXITING CAPSTAN IN SAME DIRECTION CABLE EXITING IN OPPOSITE DIRECTION ROTATE A MAXIMUM OF 150 EITHER DIRECTION FROM...
  • Page 154 See Section 17.5.2.2 on stop bracket kit for more details on mounting the stop bracket. 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-14...
  • Page 155 Garmin cannot validate the structural integrity of non-Garmin brackets. Mounting brackets provided in the Garmin GSA 28 mounting kits have been designed to withstand (and have been tested to) repetitive stress cycles endured during loads generated by the GSA 28 and aircraft vibrations.
  • Page 156 Figure 17-7 Non-Garmin GSA 28 Bracket 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-16...

  • Page 157: Unit Wiring

    Refer to the Section 26-1.7 interconnect drawing for connecting GSA 28 wiring. 17.7 Outline and Installation Drawings Refer to the following figures for GSA 28 installation guidance. 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-17...
  • Page 158 Figure 17-8.1 GSA 28 Outline/Installation Drawing 011-02927-00 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-18...
  • Page 159 Figure 17-8.2 GSA 28 Accessory Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-19...
  • Page 160 Figure 17-8.3 GSA 28 Crank Arm Attachments Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-20...
  • Page 161 Figure 17-8.4 GSA 28 with Capstan Kit and Cable Instructions (011-02952-02) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-21...
  • Page 162 Figure 17-8.5 GSA 28 Recommended Bracket Cutout Dimensions 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-22...
  • Page 163 Figure 17-8.6 GSA 28 Recommended Mounting Hardware 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-23...
  • Page 164 Figure 17-8.7 GSA 28 Generic, Push-Pull Mounting Kit (No Bracket) 011-02952-00 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-24...
  • Page 165 Figure 17-8.8 GSA 28 Generic, Push-Pull Mounting Kit w/Bracket 011-02952-01 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-25...
  • Page 166 Figure 17-9.1 GSA 28 RV-6 Roll Mounting Kit 011-02952-10 (page 1 of 3) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-26...
  • Page 167 Figure 17-9.1 GSA 28 RV-6 Roll Mounting Kit 011-02952-10 (page 2 of 3) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-27...
  • Page 168 Figure 17-9.1 GSA 28 RV-6 Roll Mounting Kit 011-02952-10 (page 3 of 3) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-28...
  • Page 169 Figure 17-10.1 GSA 28 RV-4/8 Pitch Mounting Kit 011-02952-11 (page 1 of 4) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-29...
  • Page 170 Figure 17-10.1 GSA 28 RV-4/8 Pitch Mounting Kit 011-02952-11 (page 2 of 4) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-30...
  • Page 171 Figure 17-10.1 GSA 28 RV-4/8 Pitch Mounting Kit 011-02952-11 (page 3 of 4) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-31...
  • Page 172 Figure 17-10.1 GSA 28 RV-4/8 Pitch Mounting Kit 011-02952-11 (page 4 of 4) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-32...
  • Page 173 Figure 17-11.1 GSA 28 RV-7/8/10 Roll Mounting Kit 011-02952-12 (page 1 of 2) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-33...
  • Page 174 Figure 17-11.1 GSA 28 RV-7/8/10 Roll Mounting Kit 011-02952-12 (page 2 of 2) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-34...
  • Page 175 Figure 17-12.1 GSA 28 RV-9 Roll Mounting Kit 011-02952-13 (page 1 of 2) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-35...
  • Page 176 Figure 17-12.1 GSA 28 RV-9 Roll Mounting Kit 011-02952-13 (page 2 of 2) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-36...
  • Page 177 Figure 17-13.1 GSA 28 RV-6/7/9 Mounting Kit 011-02952-14 (page 1 of 2) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-37...
  • Page 178 Figure 17-13.1 GSA 28 RV-6/7/9 Pitch Mounting Kit 011-02952-14 (page 2 of 2) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-38...
  • Page 179 Figure 17-14.1 GSA 28 RV-10 Pitch Mounting Kit 011-02952-15 (page 1 of 2) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-39...
  • Page 180 Figure 17-14.1 GSA 28 RV-10 Pitch Mounting Kit 011-02952-15 (page 2 of 2) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-40...
  • Page 181 Figure 17-15.1 GSA 28 RV-10 Yaw Mounting Kit 011-02952-16 (page 1 of 3) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-41...
  • Page 182 Figure 17-15.1 GSA 28 RV-10 Yaw Mounting Kit 011-02952-16 (page 2 of 3) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-42...
  • Page 183 Figure 17-15.1 GSA 28 RV-10 Yaw Mounting Kit 011-02952-16 (page 3 of 3) 190-01115-01 G3X/G3X Touch Installation Manual - GSA 28 Installation Rev. AC Page 17-43...

  • Page 184: Section 18 Gsu 25/25B (Ahrs/Air Data Sensor Unit) Installation

    There is no TSO/ETSO applicable to the GSU 25. The GSU 25 is intended for experimental aircraft and LSA (light sport aircraft) markets. The Garmin GSU 25 Sensor Unit is not a TSO-certified product and has received no FAA approval or endorsement.
  • Page 185 Figure 18-1 GSU 25 Unit View 18.1.1 Status LED The GSU 25 has an LED on the outer case that indicates current status. See Section 35.1.1 for details. 190-01115-01 G3X/G3X Touch Installation Manual - GSU 25/25B Installation Rev. AC Page 18-2...
  • Page 186 Air hoses and fittings to connect pitot air, static air, and AOA air to the GSU 25. The GSU 25 uses a female 1/8-27 ANPT fitting for each of these ports. Use appropriate aircraft fittings to connect to pitot, static, and AOA system lines (per Section 18.4.4). 190-01115-01 G3X/G3X Touch Installation Manual - GSU 25/25B Installation Rev. AC Page 18-3...
  • Page 187 Figure 26-1.9 for wiring and configuration information. Connector kits include backshell assemblies. Garmin’s backshell connectors give the installer the ability to quickly and easily terminate shield grounds at the backshell housing. The instructions needed to install the jackscrew backshell are located in...
  • Page 188 NOTE Select the “Tubes Forward/Connectors Down” orientation when the GSU 25 is mounted to the back of the GDU 4XX unit. Figure 18-2 AHRS Orientation Selection 190-01115-01 G3X/G3X Touch Installation Manual - GSU 25/25B Installation Rev. AC Page 18-5...
  • Page 189 Refer to part 43, Appendix E for approved practices while installing hoses and connections. 190-01115-01 G3X/G3X Touch Installation Manual - GSU 25/25B Installation Rev. AC Page 18-6...
  • Page 190 3. Use care to avoid getting fluids or particles anywhere within the pneumatic lines connected to the GSU 25. The installer must fabricate any additional mounting equipment needed. Use outline and installation drawings Figure 18-4 Figure 18-5 for reference. 190-01115-01 G3X/G3X Touch Installation Manual - GSU 25/25B Installation Rev. AC Page 18-7...
  • Page 191 18.5 Outline and Installation Drawings Figure 18-4 GSU 25 Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GSU 25/25B Installation Rev. AC Page 18-8...
  • Page 192 Figure 18-5 GSU 25 Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GSU 25/25B Installation Rev. AC Page 18-9...
  • Page 193 Figure 18-6 GSU 25 Orientation Drawings (page 1 of 3) 190-01115-01 G3X/G3X Touch Installation Manual - GSU 25/25B Installation Rev. AC Page 18-10...
  • Page 194 Figure 18-6 GSU 25 Orientation Drawings (page 2 of 3) 190-01115-01 G3X/G3X Touch Installation Manual - GSU 25/25B Installation Rev. AC Page 18-11...
  • Page 195 Figure 18-6 GSU 25 Orientation Drawings (page 3 of 3) 190-01115-01 G3X/G3X Touch Installation Manual - GSU 25/25B Installation Rev. AC Page 18-12...

  • Page 196: Section 19 Gsu 73 (Sensor Unit) Installation

    There is no TSO/ETSO applicable to the GSU 73. The GSU 73 is intended for the experimental aircraft and LSA (light sport aircraft) markets. The Garmin GSU 73 Sensor Unit is not a TSO-certified product and has received no FAA approval or endorsement.
  • Page 197 BULLETIN PURPOSE OF MODIFICATION LEVEL NUMBER DATE Improved HSCM accuracy when using +28 V supply Improved backup capacitor circuit to increase backup time in certain under-voltage conditions 190-01115-01 G3X/G3X Touch Installation Manual - GSU 73 Installation Rev. AC Page 19-2...
  • Page 198 All thermocouple temperature readouts will be Red-x’d (Section 35) if the GSU configuration module is not present. 190-01115-01 G3X/G3X Touch Installation Manual - GSU 73 Installation Rev. AC Page 19-3...
  • Page 199 Connector kits include backshell assemblies. The backshell assembly houses the configuration module (P732 only) and a thermocouple reference junction (if applicable). Garmin’s backshell connectors give the installer the ability to quickly and easily terminate shield grounds at the backshell housing. The...
  • Page 200 3. Use care to avoid getting fluids or particles anywhere within the pitot and static lines connected to the GSU 73. The installer must fabricate any additional mounting equipment needed. Use outline and installation drawing Figure 19-4 for reference. 190-01115-01 G3X/G3X Touch Installation Manual - GSU 73 Installation Rev. AC Page 19-5...
  • Page 201 4. Connect backshell connector and hoses. NOTE When mounting the GSU 73 to the airframe, it is important to ensure that fastening hardware is tight for proper unit operation. 190-01115-01 G3X/G3X Touch Installation Manual - GSU 73 Installation Rev. AC Page 19-6...
  • Page 202 19.5 Outline and Installation Drawings Figure 19-4 GSU 73 Outline Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GSU 73 Installation Rev. AC Page 19-7...
  • Page 203 Figure 19-5 GSU 73 Orientation Drawings 190-01115-01 G3X/G3X Touch Installation Manual - GSU 73 Installation Rev. AC Page 19-8...

  • Page 204: Section 20 Gtp 59 (Temperature Probe) Installation

    Figure 20-1. GTP 59 20.1 Equipment Description The Garmin GTP 59 is an outside mounted temperature probe that provides raw air temperature data. The temperature input device is a three-wire temperature probe interface. OAT Power Out and OAT High are connected internally at the OAT probe.
  • Page 205 (for example, inside a wing or landing gear bay). • For best results, do not mount the GTP 59 where it will be directly heated by the sun when the aircraft is parked. 190-01115-01 G3X/G3X Touch Installation Manual - GTP 59 Installation Rev. AC Page 20-2...
  • Page 206 10. Wrap the cable bundle with Silicone Fusion Tape (GPN: 249-00114-00 or similar) at the point where the backshell strain relief and cast housing contact the cable bundle. The smooth side of the backshell strain relief should contact the tape. 190-01115-01 G3X/G3X Touch Installation Manual - GTP 59 Installation Rev. AC Page 20-3...

  • Page 207: Gtp 59 Icing

    Consequently, air temperature measurements may be incorrect if ice accumulates on the probe. Furthermore, computations dependent upon air temperature measurements may be affected (e.g. true airspeed and delta-ISA). 190-01115-01 G3X/G3X Touch Installation Manual - GTP 59 Installation Rev. AC Page 20-4...
  • Page 208 20.5 Outline and Installation Drawings Figure 20-2. GTP 59 O.A. T. Probe Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GTP 59 Installation Rev. AC Page 20-5...

  • Page 209: Section 21 Gtr 20 (Vhf Communications Radio) Installation

    SINAD is greater than 6dB when the RF level is -107 dBm with 30% modulation. The transmitter power is 10 W carrier minimum. Table 21-1 Available Units Model Part Number TX Power (Watt) 8.33 KHz Spacing 25 KHz Spacing GTR 20 011-03007-00 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-1...
  • Page 210 Washer, Split Lock, Size 8 212-00018-04 Washer, Flat, Non-Std, SS, ID .195, OD .354 212-20065-00 Conn, Rcpt, D-Sub, Crimp Socket, Commercial, 37 CKT 330-00625-37 Contact, Socket, Military Crimp, Size 20 336-00022-02 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-2...

  • Page 211: General Specifications

    Less than 25% at rated output power SINAD greater than 6 dB when the RF level is -107 dBm with 30% modulation Sensitivity Squelch Automatic squelch with manual override 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-3...

  • Page 212: Installation Considerations

    GDU displays are present, the GTR 20 will automatically tune the emergency frequency (121.500 MHz) and set the COM radio volume to a pre-determined level. See Section 34.4.22.1 for information on configuring the emergency volume level. 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-4...

  • Page 213: Antenna Considerations

    A COM Antenna that meets TSO-C37( ) and C38( ) or TSO-C169( ), 50W, vertically polarized. Maximum gain of 1 dBi with an impedance of 50 Ω. 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-5...
  • Page 214 Replace or clean VHF COM rack connector to ensure good coax ground. • Place a grounding brace between the GTR 20 and ground. • Shield the GTR 20 wiring harness. 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-6...

  • Page 215: Mounting Considerations

    3:1, for best performance VSWR should be less than 2:1. A high VSWR decreases the amount of power radiated by the antenna and increases power supply current and heat dissipated by the radio when the radio is transmitting. 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-7...

  • Page 216: Mounting, Wiring, And Power Checks

    Tune the unit to a local VHF frequency and verify the receiver output produces a clear and understandable audio output. Verify the transmitter functions properly by contacting another station and getting a report of reliable communications. 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-8...

  • Page 217: Flight Checks

    Good aircraft electrical/charging system ground bonding is important. The wiring diagrams and accompanying notes in this manual should be followed closely to minimize noise effects. 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-9...
  • Page 218 21.8 Outline and Installation Drawings Figure 21-2 GTR 20 Outline Drawing (Mounting Brackets on Ends) 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-10...
  • Page 219 Figure 21-3 GTR 20 Outline Drawing (Mounting Brackets on Sides) 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-11...
  • Page 220 Figure 21-4 GTR 20 Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GTR 20 Installation Rev. AC Page 21-12...

  • Page 221: Section 22 Gps/Xm Antenna Installation

    GDU 37X/4XX units for redundancy. 22.1 Non-Garmin Antennas Table 22-1 lists non-Garmin antennas currently supported by the GDU 37X/4XX. For non-Garmin antennas, follow the manufacturer’s installation instructions. It is the installer’s responsibility to ensure that their choice of antenna meets FAA standards according to the specific installation.

  • Page 222: Garmin Antennas

    22.2 Garmin Antennas If using a Garmin GA 26C or GA 26XM, refer to the accompanying installation instructions (190-00082-00 or 190-00522-03). For GA 35, GA 55/55A, or GA 56 or GA 57X antennas, refer to this section and the outline and installation drawings in Section 22.7.
  • Page 223 There are several critical factors to take into consideration before installing an antenna for a satellite communications system. These factors are addressed in the following sections. 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-3...

  • Page 224: Antenna Mounting Considerations

    Locate the GDU as far as possible from all COM antennas. If a COM antenna is found to be the problem, a 1.57542 GHz notch filter (Garmin P/N 330-00067-00) may be installed in the VHF COM coax, as close to the COM as possible.
  • Page 225 VHF COM or the (re-radiating) ELT transmitter. NOTE The separation requirement does not apply to GPS and COM combination antennas, provided the antenna has been tested to meet Garmin’s minimum performance standards. The separating requirement includes the combination with an XM antenna element as well.
  • Page 226 Figure 22-1 shows the recommended placement of antennas. Figure 22-1 Recommended Antenna Placement 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-6...
  • Page 227 The materials in some aircraft are not suitable for GPS signals to penetrate, care should be taken to properly modify the aircraft structure to accommodate this. Modifications of this sort are not recommended or inferred by Garmin or the installation of the GDU, and the installer should seek the guidance of the kit manufacture for such modifications.
  • Page 228 The bottom of the antenna does not need to make contact with the ground plane (i.e. the surface may be painted). The antenna will capacitively couple to the ground plane beneath the paint or aircraft cover. 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-8...

  • Page 229: Teardrop Footprint Antenna Installation (Ga 35, Ga 55, And Ga 56)

    This section describes the structural mounting of the teardrop footprint antenna installation. An acceptable installation method is to use Garmin P/N: 115-00846-10 doubler plate with the GA 35 through-hole, or GA 55/GA 56 stud mount antennas. Another acceptable method is to fabricate and install...
  • Page 230 Do not use construction grade RTV sealant or sealants containing acetic acid. These sealants may damage the electrical connections to the antenna. Use of these type sealants may void the antenna warranty. 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-10...
  • Page 231 22.4.3 Reference Figures Figure 22-4 Doubler Design, Teardrop Footprint Antenna, Skin Thickness 0.032" to 0.049" Figure 22-5 Doubler Design, Teardrop Footprint Antenna, Skin Thickness 0.049" to 0.051" 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-11...
  • Page 232 Figure 22-6 Doubler Design, Teardrop Footprint Antenna, Skin Thickness 0.051" to 0.063" Figure 22-7 Sample Doubler Location, Teardrop Footprint Antenna, Metal Skin Aircraft 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-12...
  • Page 233 Figure 22-8 Skin Cutout Detail, Teardrop Footprint Antenna, Skin Thickness 0.032" to 0.049" Figure 22-9 Skin Cutout Detail, Teardrop Footprint Antenna, Skin Thickness 0.049" to 0.051" 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-13...
  • Page 234 Figure 22-10 Skin Cutout Detail, Teardrop Footprint Antenna, Skin Thickness 0.051" to 0.063" Figure 22-11 Doubler Installation, Teardrop Footprint Antenna, Skin Thickness 0.032" to 0.049" 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-14...
  • Page 235 Figure 22-12 Doubler Installation, Teardrop Footprint Antenna, Skin Thickness 0.049" to 0.051" Figure 22-13 Doubler Installation, Teardrop Footprint Antenna, Skin Thickness 0.051" to 0.063" 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-15...

  • Page 236: Arinc 743 Footprint Antenna Installation (Ga 36, Ga 37, Ga 55A, Ga 57X)

    1.5 * rivet diameter) 22.5.1 Preparation of Doubler 1. Use Garmin P/N: 115-00846-00, or refer to Table 22-6 for guidance on selecting the appropriate doubler drawing based on the thickness of skin at the antenna location. Make the doubler from 2024-T3 Aluminum (AMS-QQ-A-250/5), 0.063”...
  • Page 237 (Figure 22-38) use locking nuts installed on doubler plate. Torque the four supplied #10-32 stainless steel screws (Garmin P/N: 211-60212-20, MS51958-67, or equivalent) 20-25 in-lbs. Torque should be applied evenly across all mounting studs to avoid deformation of the mounting area.
  • Page 238 22.5.3 Reference Figures Figure 22-14 Doubler Design, ARINC 743 Footprint Antenna, Skin Thickness 0.032" to 0.049" 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-18...
  • Page 239 Figure 22-15 Doubler Design, ARINC 743 Footprint Antenna, Skin Thickness 0.049" to 0.051" 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-19...
  • Page 240 Figure 22-16 Doubler Design, ARINC 743 Footprint Antenna, Skin Thickness 0.051" to 0.063" 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-20...
  • Page 241 Figure 22-17 Sample Doubler Location, ARINC 743 Antenna, Metal Skin Aircraft Figure 22-18 Skin Cutout Detail, ARINC 743 Footprint Antenna, Skin Thickness 0.032" to 0.049" 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-21...
  • Page 242 Figure 22-19 Skin Cutout Detail, ARINC 743 Footprint Antenna, Skin Thickness 0.049" to 0.051" Figure 22-20 Skin Cutout Detail, ARINC 743 Footprint Antenna, Skin Thickness 0.051" to 0.063" 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-22...
  • Page 243 Figure 22-21 Doubler Installation, ARINC 743 Footprint Antenna, SkinThickness 0.032" to 0.049" Figure 22-22 Doubler Installation, ARINC 743 Footprint Antenna, SkinThickness 0.049" to 0.051" 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-23...
  • Page 244 Figure 22-23 Doubler Installation, ARINC 743 Footprint, Skin Thickness 0.051" to 0.063" Figure 22-24 Installation of ARINC 743 Footprint Antenna 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-24...

  • Page 245: Non-Structural Mount Installation

    Locking nuts are required to secure the ARINC 743 antenna (locking nuts installed on doubler). Torque the four supplied #10-32 stainless steel screws (Garmin P/N: 211-60212-20, MS51958-67, or equivalent) evenly across all mounting screws.
  • Page 246 Figure 22-25 Generic Non-structural ARINC 743 Footprint Antenna Installation 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-26...
  • Page 247 Figure 22-26. Figure 22-26 Example Bracket Antenna Mounting Under Glareshield Figure 22-27 Example Non-structural Antenna Mounting Under Glareshield 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-27...
  • Page 248 Teardrop or the ARINC 743 antenna. Figure 22-28 Example Teardrop Antenna Installation In Airframe Under Fabric Skin Figure 22-29 Example ARINC 743 Footprint In Airframe Under Fabric Skin 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-28...
  • Page 249 Follow the applicable gasketing and sealant instructions in Section 22.4.2 (Teardrop style) or Section 22.5.2 (ARINC 743 style). Figure 22-30 Example Non-structural Antenna Mounting On Airframe 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-29...
  • Page 250 Top of antenna at or above the center of the tube structure (Figure 22-31, top) 1.00 1.25 0.625 0.75 Top of antenna between the center and bottom of the tube structure (Figure 22-31, bottom) 1.00 11.5 1.25 14.3 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-30...
  • Page 251 22.7 Outline and Installation Drawings Figure 22-32 GA 35 Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-31...
  • Page 252 DO NOT PAINT Figure 22-33 GA 36 Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-32...
  • Page 253 DO NOT PAINT Figure 22-34 GA 37 Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-33...
  • Page 254 FRONT VIEW 3.00 76.2 2X 1.625 41.28 .813 20.64 .188 4.78 .625 15.88 2.59 [65.8] MOUNTING CUTOUT BACKING PLATE (ANTENNA OUTLINE) OUTLINE Figure 22-35 GA 55 Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-34...
  • Page 255 011-01153-00 ANTENNA OUTLINE .750 19.05 .625 15.88 2.350 59.69 2X 3.300 83.82 4X .220 5.59 MOUNTING CUTOUT NOTES: 1. DIMENSIONS: INCHES[mm] Figure 22-36 GA 55A Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-35...
  • Page 256 FRONT VIEW 3.00 76.2 2X 1.625 41.28 .813 20.64 .188 4.78 .625 15.88 2.59 [65.8] MOUNTING CUTOUT BACKING PLATE (ANTENNA OUTLINE) OUTLINE Figure 22-37 GA 56 Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-36...
  • Page 257 Figure 22-38 GA 57X Installation Drawing 190-01115-01 G3X/G3X Touch Installation Manual - GPS/XM Antenna Installation Rev. AC Page 22-37...

  • Page 258: Section 23 Engine/Airframe Sensor Installation

    Any voltage-output Uses custom user-defined sensor Parameter sensor calibration *Items with a Garmin part number may be included in a G3X Sensor Kit (Section 23.2), and are available individually from Garmin Dealers 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev.
  • Page 259 (Alcor 86255) Temperature Type K thermocouple (EGT) (other) *Items with a Garmin part number may be included in a G3X Sensor Kit (Section 23.2), and are available individually from Garmin Dealers 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev.
  • Page 260 Pressure Any voltage-output Uses custom user-defined pressure transducer calibration (voltage to pressure) *Items with a Garmin part number may be included in a G3X Sensor Kit (Section 23.2), and are available individually from Garmin Dealers 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev.
  • Page 261 Position Sensor Any standalone Uses custom user-defined potentiometer calibration (voltage to position) *Items with a Garmin part number may be included in a G3X Sensor Kit (Section 23.2), and are available individually from Garmin Dealers 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev.
  • Page 262 Interstage Type K thermocouple Temperature (TIT/TOT/ITT) *Items with a Garmin part number may be included in a G3X Sensor Kit (Section 23.2), and are available individually from Garmin Dealers The Engine inputs being monitored are displayed as gauges on the EIS display (Figure 23-1) and also on the MFD Engine Page.

  • Page 263: Engine Sensor Applications

    23.2 Engine Sensor Applications 23.2.1 Garmin Engine Sensor Kits Table 23-2, Table 23-3, and Table 23-4 list Garmin sensor kits available for G3X installations. Refer to Sensor Interface drawings in Section 30 when installing Sensor Kits K00-00512-00 and K00-00513-00. Refer to Sensor Interface drawings in Section 31 when installing Sensor Kit K00-00514-00.
  • Page 264 Ω Resistor, 1%, 0.5 W 902-A300R-F0 23.2.2 Other Piston Engine Applications In addition to the engines supported by Garmin sensor kits (see Section 23.2.1) the G3X system's engine/airframe inputs can be configured for use with a variety of other engine types.
  • Page 265 Use Jabiru-supplied Type K thermocouples Cylinder head temperature Use Jabiru-supplied Type J thermocouples Fuel pressure Use Kavlico P4055-15G-E4A (494-30004-03) Fuel flow Use EI FT-60 (494-10001-00) or Floscan 201B-6 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-8...
  • Page 266 Use ECU fuel consumption pulse output and select "Custom" fuel flow Fuel flow configuration. UL Power specifies a pulse frequency of 170 Hz at 72 L/hour, which suggests an initial scale factor of 32176. 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-9...
  • Page 267 12 cylinders, including radial engines, or twin engines with up to 6 cylinders each (see 23.2.5). For large single-engine applications, cylinders 1-6 are connected to GEA 24 #1 and cylinders 7-12 are connected to GEA 24 #2. (see Section 25.5.16) 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-10...
  • Page 268 For capacitive fuel quantity measurement, a third-party capacitance-to- frequency or capacitance-to-voltage converter is required; the G3X system does not support direct connection to capacitive fuel tank probes. 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-11...
  • Page 269 #1 only. The second GEA 24 may also be used to support additional discrete inputs. For information on configuring twin-engine sensor inputs, see Section 34.4.4 Section 34.4.26.3. 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-12...
  • Page 270 Section 23.2.4. A GDU 4XX system using two GEA 24 units can be used to monitor engine information for a twin-engine rotorcraft, as described in Section 23.2.5 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-13...

  • Page 271: Engine Sensor Installation

    Section 32 contain interface drawings for sensor installations using the Garmin sensor kits, and for other sensor installations. 23.3.1 CHT (Cylinder Head Temperature) Type J grounded thermocouple - This type of sensor is typically used on Jabiru engines. See Jabiru Guidance for thermocouple installation.
  • Page 272 CHT probes. A finger sized loop should be provided to allow sufficient strain relief of the probe assembly, and care should be taken to ensure that no chafing of the wires occurs. Figure 23-2 CHT Probe Package Figure 23-3 CHT Probe Well 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-15...
  • Page 273 When using Alcor Type K probes, refer to Alcor EGT Installation Instructions (P/N 59180) for complete installation details. Engine manufacturer’s guidance should be consulted and followed for proper location of EGT probes. 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-16...
  • Page 274 See Figure 23-7 for an example of an installed EGT probe. Figure 23-5 EGT Package 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-17...
  • Page 275 Figure 23-6 Exhaust Pipe Drilled Figure 23-7 Installed EGT Probe Orientation 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-18...
  • Page 276 Figure 23-8 Vent Plug Figure 23-9 Oil Temperature Figure 23-10 Oil Temperature Probe Probe Installed (Crush Gasket Not Shown) 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-19...
  • Page 277 The fuel and oil pressure fittings on the engine port should have a restrictor hole where appropriate to minimize potential fluid loss in the event of breakage. NOTE A restrictor or snubber fitting (not available from Garmin) may be installed to dampen manifold pressure fluctuations. One example is the PS-8G fitting from Omega Engineering.
  • Page 278 UMA N1EU150G - 0 – 150 psiG pressure transducer. 23.3.5.6 Coolant Pressure Sensor Kavlico P4055-50GE4A - 0 – 50 psiA pressure transducer. This type of sensor is applicable to all liquid- cooled engines. 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-21...
  • Page 279 (or other suitable location). 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-22...
  • Page 280 G3X interconnects in Section 30. Secure the connector and wire assembly to an appropriate location in the engine compartment to provide strain relief. Figure 23-14 Magneto Bleed Port 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-23...
  • Page 281 CORRECT TACH SENSOR PORT CORRECT TACH WRONG PORT SENSOR PORT WRONG PORT Figure 23-15 Plugs on Slick/Unison 43XX Magneto Figure 23-16 Magneto Tach Sensor Installed 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-24...
  • Page 282 Transducers that require higher supply currents, including Princeton capacitive fuel quantity transducers, may require power to be supplied from the aircraft electrical bus instead. 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-25...
  • Page 283 See Voltage Inputs for GDU 37X systems and Voltage Inputs for GDU 4XX systems (Volts 1 and Volts 2 Inputs) for configuration guidance. 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-26...
  • Page 284 Depending on the location of the alternator or battery relative to its supported electrical bus, it is typically desirable to install the shunt on the firewall near where the alternator or battery output would normally penetrate the firewall. 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-27...
  • Page 285 GSU 73 FUEL FLOW 2 input (see Figure 29-2.1). The value displayed on the fuel flow gauge will be the difference between the main (supply) fuel flow and secondary (return) fuel flow measurements. 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-28...
  • Page 286 FT-60 but variations in the installation can affect the K factor. Reference Electronics International document #1030033 and Section 33.4.19.4 (for GDU 37X) and Section (for GDU 4XX) for additional information. 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-29...
  • Page 287 Refer to the supplied servo or sensor installation manual and G3X interconnects in Section 29 for proper wiring connections. Section 33.4.19.3.2 (for GDU 37X systems) and Section 34.4.26.1 (for GDU 4XX systems) provides calibration instructions. 190-01115-01 G3X/G3X Touch Installation Manual - Engine/Airframe Sensor Installation Rev. AC Page 23-30...

  • Page 288: Section 24 Connector Installation Instructions

    2. Trim the coaxial cable to the desired length and install the BNC or TNC (per Figure 24-1) connector. If provided, follow the connector manufacturer’s instructions for cable preparation. Figure 24-1 TNC Connector Installation 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-1...

  • Page 289: Thermocouple Installation Into A Backshell

    1/64 – 1/32 inches from the end of the contact as shown in Figure 24-2. Figure 24-2 Insulation/Contact Clearance 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-2...
  • Page 290 4. Attach thermocouple (item 1) tightly to backshell (item 5) using screw (item 3). 5. Attach cover (item 6) to backshell (item 5) using screws (item 7). Figure 24-3 Jackscrew Backshell Thermocouple Installation 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-3...

  • Page 291: Jackscrew Configuration Module Installation Into A Jackscrew Backshell

    Qty. Needed GPN or MIL spec Config Module (w/Sockets, 011-03702-00 Jackscrew, Temp, Connext) 4 cond. Cable harness 325-00122-00 Socket, Size 20, 26-30 AWG 336-00022-01 Pan head screw 211-60232-07 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-4...
  • Page 292 5. Orient the connector housing (item 5) so that the inserted four conductor wire harness (item 3) is on the same side of the backshell (item 6) as the module (item 1). 6. Attach cover (item 7) to backshell (item 6) using screws (item 8). 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-5...
  • Page 293 Figure 24-5 Jackscrew Backshell Installation 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-6...

  • Page 294: Jackscrew Backshell Installation Instructions

    Split Washer, #8, (.045" compressed thickness) Cad-plated steel MS35338-42 Flat Washer, Stainless, #8, .032" thick, .174"ID, .375" OD NAS1149CN832R Flat washer, Cad-plated Steel, #8, .032" thick, .174"ID, .375" OD NAS1149FN832P Silicon Fusion Tape 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-7...
  • Page 295 NOTE In Figure 24-6, “AR” denotes quantity “As Required” for the particular installation. Figure 24-6 Shield Install onto a Jackscrew Backshell (78 pin example) 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-8...
  • Page 296 “Ideal Window” length is recommended. Suggested tools to accomplish the window cut: • Coaxial Cable Stripper • Thermal Stripper • Sharp Razor Blade 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-9...
  • Page 297 The number of individual strands in each braid bundle is not specified. (e.g. QQB575F36T062) NOTE Flat Braid as opposed to insulated wire is specified in order to allow continuing air worthiness by allowing for visual inspection of the conductor. 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-10...
  • Page 298 1/64 – 1/32 inches from the end of the contact as shown in Figure 24-8. Figure 24-8 Insulation/Contact Clearance 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-11...
  • Page 299 (item 13). Warning: Placing the grooved side of the clamp across the cable bundle may risk damage to wires. 13. Attach the cover (item 14) to the backshell (item 1) using the two screws (item 15). 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-12...
  • Page 300 Method A.1 are still applicable. NOTE The maximum length of the combined braids should be approximately 4 inches. Figure 24-9 Method A.2 (Daisy Chain) for Shield Termination 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-13...
  • Page 301 Flat Braid (item 4, Figure 24-6) to be attached. NOTE Reference Section 24.4.2 for recommended solder sleeves and flat braid. The same recommendations are applicable to this technique. 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-14...
  • Page 302 Table 24-8 Shielded Cable Preparations – (Quick Term) Number of Pins Quick Term Min Quick Term Max Quick Term Backshell Size Std/HD (inches) (inches) Float (inches) 9/15 1.25 2.25 1.75 15/26 25/44 37/62 50/78 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-15...
  • Page 303 Method B.1 are still applicable. NOTE The maximum length of the combined braids should be approximately 4 inches. Figure 24-11 Method B.2 (Daisy Chain-Quick Term) for Shield Termination 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-16...
  • Page 304 5. Terminate this end via the ring terminals with the other Flat Braid per Steps 8 through 11 (Section 24.4.2) pertaining to shield termination. If this ground strap is the only wire to terminate, attach a Ring terminal, #8, insulated, 18-22 AWG (MS25036-149). 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-17...
  • Page 305 •Raychem D-436-36/37/38 •MIL Spec MIL-S-81824/1 This technique may be used with shield termination methods: A.1, A.2, B.1, B.2, C.1 and C.2. Figure 24-13 D-Sub Spliced Signal Wire illustration 190-01115-01 G3X/G3X Touch Installation Manual - Connector Installation Instructions Rev. AC Page 24-18...

  • Page 306: Section 25 Lru Pinouts

    DISCRETE IN 2** DISCRETE IN 3** DISCRETE IN 4** DISCRETE IN 5** DISCRETE IN 6** DISCRETE IN 7** *Indicates Active Low **Can be configured as Active High or Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-1...
  • Page 307 PWM LIGHTING 1 PWM LIGHTING 2 PWM LIGHTING 3 DISCRETE IN 8** DISCRETE IN 9** RESERVED *Indicates Active Low **Can be configured as Active High or Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-2...
  • Page 308 5 A POWER OUTPUTS TO DRIVE MOTOR UP OR DOWN PITCH TRIM OUT 2 YAW TRIM OUT 1 5 A POWER OUTPUTS TO DRIVE MOTOR LEFT OR RIGHT YAW TRIM OUT 2 RESERVED 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-3...
  • Page 309 10 A ACTIVE HIGH POWER OUTPUT FOR LIGHT 2 OUTPUT LIGHT 2 NOTE Keep Alive Power In (Pin 1, TB273) can be used as a second power input for the GAD 27. 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-4...
  • Page 310 DISCRETE IN 3 J271 DISCRETE IN 4 J271 DISCRETE IN 5 J271 DISCRETE IN 6 J271 DISCRETE IN 7 J271 DISCRETE IN 8 J271 DISCRETE IN 9 J271 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-5...

  • Page 311: Lighting Bus

    Lighting Bus Inputs Pin Name Connector LIGHTING BUS GROUND J271 LIGHTING CONTROL IN 1 J271 LIGHTING CONTROL IN 2 J271 LIGHTING CONTROL IN 3 J271 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-6...
  • Page 312 Low: Vin < 3.5 VDC, or Rin < 375 Ω (input active, motor movement inhibited) High: Vin >8 VDC, or Rin > 100k Ω (input inactive, motor movement allowed) Pin Name Connector MOTOR DISCONNECT J271 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-7...
  • Page 313 Low: Vin < 3.5 VDC, or Rin < 375 Ω (input active) High: Vin > 8 VDC, or Rin > 100k Ω (input inactive Pin Name Connector YAW TRIM L J271 YAW TRIM R J271 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-8...

  • Page 314: Gad 29 (Arinc 429 Adapter)

    Figure 25-4 J291 on GAD 29, as viewed looking at connector on unit Pin Name CAN HI CAN LO RESERVED RESERVED RESERVED GROUND AIRCRAFT POWER 1 AIRCRAFT POWER 2 GROUND 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-9...
  • Page 315 ARINC RX 1B ARINC TX 1B GROUND RESERVED ARINC RX 4A ARINC RX 3A ARINC TX 2A GROUND CAN TERM 2 ARINC RX 2A ARINC RX 1A ARINC TX 1A 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-10...
  • Page 316 ARINC RX 2B J292 ARINC TX 2A J292 J292 ARINC TX 2B J292 J292 ARINC RX 3A J292 ARINC RX 3B J292 ARINC RX 4A J292 ARINC RX 4B 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-11...
  • Page 317 CAN bus. The CAN bus on J291 shall be used for communications between G3X LRUs. Pin Name Connector CAN HI J291 CAN LO J291 CAN TERM 1 J292 CAN TERM 2 J292 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-12...

  • Page 318: Gdu 37X (Display Unit)

    RS-232 IN 2 POWER GROUND POWER GROUND CONFIG MODULE POWER OUT MONO AUDIO OUT LO STEREO AUDIO OUT RIGHT STEREO AUDIO OUT LO SPARE SPARE SPARE SPARE *Indicates Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-13...
  • Page 319 *Indicates Active Low NOTE The GDU 37X rear connector (J3701) is electrically isolated. For installations using shielded cables, a ground pin must be tied to the connector shell. 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-14...
  • Page 320 CDU SYSTEM ID PROGRAM* 3 GDU Mode PROGRAM* 4 GDU Mode J3701 Pin 25 J3701 Pin 42 Open Auto Reversionary Open Normal Operation Ground Forced Reversionary Ground Demo Mode 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-15...
  • Page 321 Wire Color Connector CONFIG MODULE CLOCK WHITE (WHT) J3701 CONFIG MODULE DATA YELLOW (YEL) J3701 CONFIG MODULE POWER OUT RED (RED) J3701 CONFIG MODULE GROUND BLACK (BLK) J3701 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-16...
  • Page 322 Pin Name Connector STEREO AUDIO OUT LEFT J3701 STEREO AUDIO OUT LO J3701 STEREO AUDIO OUT RIGHT J3701 STEREO AUDIO OUT LO J3701 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-17...

  • Page 323: Gdu 4Xx (Display Unit)

    GSU 25 when mounting the GSU 25 to the back of the GDU 4XX (Figure 8-3). This mounting method may not be recommended for all installations, contact Garmin for details before using this method. Figure 25-7 P4X01 on GDU 4XX, as viewed looking at connector on unit...
  • Page 324 MONO AUDIO OUT LO STEREO AUDIO OUT RIGHT STEREO AUDIO OUT LO RESERVED FOR FUTURE DEVELOPMENT, DO NOT USE RESERVED FOR FUTURE DEVELOPMENT, DO NOT USE *Indicates Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-19...
  • Page 325 CDU SYSTEM ID PROGRAM* 4 14V LIGHTING BUS HI SIGNAL GROUND CAN BUS LO CAN BUS HI RS-232 IN 1 RS-232 OUT 1 CONFIG MODULE GROUND CONFIG MODULE DATA *Indicates Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-20...
  • Page 326 Do not use P4X03, this connector is reserved for future development. Figure 25-10 View of P4X03 Connector from Back of Unit Pin Name CAN BUS HI CAN BUS LO RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-21...
  • Page 327 Use 22 AWG wire (min) for all power and ground connections. Pin Name Connector AIRCRAFT POWER 1 P4X02 AIRCRAFT POWER 2 P4X02 POWER GROUND P4X02 POWER GROUND P4X02 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-22...
  • Page 328 When the switch is open, the display will operate normally. When the switch is grounded, the display changes to reversionary mode. Other displays in the system will not be affected by manually placing a display into reversionary mode. See the G3X Touch Pilot's Guide for further information about reversionary mode.
  • Page 329 Connect the configuration module to the PFD1 unit; do not connect a config module to PFD2, MFD1 or MFD2. Pin Name Connector CONFIG MODULE POWER OUT (3.3V, very low current) P4X02 CONFIG MODULE CLOCK P4X02 CONFIG MODULE GROUND P4X02 CONFIG MODULE DATA P4X02 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-24...
  • Page 330 Pin Name Connector 14V LIGHTING BUS HI P4X02 28V LIGHTING BUS HI P4X02 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-25...
  • Page 331 *The left and right common pins (pins 2 and 20) may be tied together or only one may be used. It is not necessary to use both common pins. 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-26...

  • Page 332: Gea 24 (Eis Interface)

    Figure 25-12 J241 on GEA 24, as viewed looking at connector on unit Pin Name CAN HI CAN LO RESERVED RS-232 RX RS-232 TX GROUND AIRCRAFT POWER 1 AIRCRAFT POWER 2 GROUND 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-27...
  • Page 333 CHT6 HI / CHT 2 RESISTIVE HI EGT6 HI CHT5 / CHT 1 RESISTIVE HI EGT5 HI CHT4 HI EGT4 HI CHT3 HI EGT3 HI CHT2 HI EGT2 HI CHT1 HI EGT1 HI 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-28...
  • Page 334 POS 7 / TIT 2 / MISC TEMP 2 LO POS 7 / TIT 2 / MISC TEMP 2 HI POS 6 / TIT 1 / MISC TEMP 1 LO 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-29...
  • Page 335 POS 4 HI / +5V_4 POS 4 / GP 4 / FUEL QTY 4 POS 4 LO / GND *Indicates Active Low **Can be configured as active high or active low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-30...
  • Page 336 SHUNT 2 LO (shared with Pin 34, J243 connector) RESERVED / SPARE 1 RESERVED / SPARE 2 GP +12V *Indicates Active Low **Can be configured as active high or active low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-31...
  • Page 337 The RS-232 channel can optionally be connected to a GDU display to provide a redundant path for EIS data. Pin Name Connector RS-232 RX J241 RS-232 TX J241 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-32...
  • Page 338 RPM XDCR +12V_1 J243 RPM XDCR +12V_2 J243 FUEL QTY +5V_1 J244 FUEL QTY 1 J244 FUEL QTY 1 GND J244 FUEL QTY +5V_2 J244 FUEL QTY 2 J244 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-33...
  • Page 339 GP6 LO or GP7 LO pin must also be connected to ground (see Section 25.5.12). Pin Name Connector DISCRETE IN 1 J244 DISCRETE IN 2 J244 DISCRETE IN 3 J244 DISCRETE IN 4 J244 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-34...
  • Page 340 POS 3 / GP 3 / FUEL QTY 3 J244 FUEL QTY 3 GND J244 POS 4 HI / +5V J244 POS 4 / GP 4 / FUEL QTY 4 J244 FUEL QTY 4 GND J244 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-35...
  • Page 341 POS 7 / GP7 / TIT 2/ MISC TEMP 2 HI J243 POS 7 / GP 7 / TIT 2/ MISC TEMP 2 LO J243 GP +5V J243 GP GND J243 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-36...
  • Page 342 The two bus voltage inputs are capable of accepting voltages of up to 40 Vdc. These inputs are configured by the GDU ( Section 33.4.19 for GDU 37X systems and to Section 34.4.26 for GDU 4XX systems). Pin Name Connector VOLTS 1 J244 VOLTS 2 J244 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-37...
  • Page 343 1 and 2 on the second GEA 24 to configure it as the EIS #2 LRU. Pin Name Connector SYSTEM ID 1A J244 SYSTEM ID 1B / GND J244 Figure 25-16 GEA 24 EIS #2 Configuration 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-38...
  • Page 344 J242 EGT2 LO J242 EGT3 HI J242 EGT3 LO J242 EGT4 HI J242 EGT4 LO J242 EGT5 HI J242 EGT5 LO J242 EGT6 HI J242 EGT6 LO J242 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-39...
  • Page 345 POS 7 / GP 7 / TIT 2 / MISC TEMP 2 LO J243 OIL TEMP HI J243 OIL TEMP LO J243 NOTE The pinout of J242 is compatible with 25-pin thermocouple wiring harnesses used in some third-party EIS systems. 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-40...
  • Page 346 GP2 HI / +5V J244 GP +5V_2 J244 GP +5V_3 J244 POS 5 HI / +5V J244 FUEL XDCR +12V_3 J244 FUEL XDCR +12V_4 J244 GP +12V J244 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-41...

  • Page 347: Gi 260 (Aoa Indicator)

    CAN bus. Using the CAN Bus is the preferred data interconnect for the GI 260 in a G3X system. Pin Name Wire Color CAN HI BLUE CAN LO VIOLET 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-42...
  • Page 348 26-1.6). Refer to the audio panel installation manual for further guidance on connecting and terminating the shield. Pin Name Wire Color MONO OUT WHITE AUDIO GROUND GREEN AUDIO SHIELD BLACK HEAT SHRINK 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-43...

  • Page 349: Gmc 305 (Afcs Mode Controller)

    AIRCRAFT POWER 1 and AIRCRAFT POWER 2 are “diode ORed” to provide power redundancy. Pin Name Connector AIRCRAFT POWER 1 J3051 AIRCRAFT POWER 2 J3051 POWER GROUND J3051 POWER GROUND J3051 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-44...
  • Page 350 RS-232 load. RS-232 channel 1 should be connected to an available RS-232 port on a GDU display. RS-232 channel 2 should be connected to the GSA 28 roll servo RS-232 port in a Garmin autopilot system (see Figure 26-1.7).

  • Page 351: Gmc 307 (Afcs Mode Controller)

    AIRCRAFT POWER 1 and AIRCRAFT POWER 2 are “diode ORed” to provide power redundancy. Pin Name Connector AIRCRAFT POWER 1 J3071 AIRCRAFT POWER 2 J3071 POWER GROUND J3071 POWER GROUND J3071 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-46...
  • Page 352 RS-232 load. RS-232 channel 1 should be connected to an available RS-232 port on a GDU display. RS-232 channel 2 should be connected to the GSA 28 roll servo RS-232 port in a Garmin autopilot system (see Figure 26-1.7).

  • Page 353: Gmu 11 (Magnetometer)

    The CAN Bus conforms to the BOSCH standard for Controller Area Network 2.0-B, and complies with ISO 11898. Refer to Section 2.3.1.3 for details on wiring the CAN bus. Pin Name Connector CAN BUS HI J111 CAN BUS LO J111 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-48...

  • Page 354: Gmu 22 (Magnetometer)

    Pin Name Connector RS-232 IN J441 25.10.3.2 RS-485 The RS-485 pins provide data to the ADAHRS (GSU 25/73). Pin Name Connector RS-485 OUT A J441 RS-485 OUT B J441 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-49...

  • Page 355: Gps 20A (Waas Gps Position Source)

    CAN bus. Using the CAN Bus is the preferred data interconnect for the GPS 20A in a G3X system. Pin Name Connector CAN-H J201 CAN-L J201 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-50...
  • Page 356 The RS-232 outputs conform to EIA Standard RS-232C with an output voltage swing of at least ±5 V when driving a standard RS-232 load. RS-232 TX 1 is always configured to provide Garmin ADS-B+ data (at 9600 baud), to be used by a Mode S Extended Squitter (ES) transponder.

  • Page 357: Gsa 28 (Autopilot Servo)

    ID_STRAP_4/(RS-232 RX for Roll Servo Only) AIRCRAFT GROUND AIRCRAFT POWER TRIM_IN_1 TRIM_IN_2 TRIM_OUT_1 TRIM_OUT_2 AP_DISCONNECT 25.12.2 Power Function Supply voltage (14/28Vdc) inputs. Pin Name Connector AIRCRAFT POWER J281 AIRCRAFT GROUND J281 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-52...
  • Page 358 Pins 7 and 8 (TX and RX) connect to the GMC 30X RS232 channel 2 on the ROLL SERVO ONLY. Pin Name Connector ID_STRAP_3/(RS-232 TX for Roll Servo Only) J281 ID_STRAP_4/(RS-232 RX for Roll Servo Only) J281 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-53...
  • Page 359 (either terminated or un-terminated). The adapter also allows trim signals to pass through when the servo is removed. Pin Name Connector TRIM_IN_1 J281 TRIM_IN_2 J281 TRIM_OUT_1 J281 TRIM_OUT_2 J281 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-54...

  • Page 360: Gsu 25/25B (Ahrs/Air Data Sensor Unit)

    Figure 25-24 J251 on GSU 25, as viewed looking at connector on unit Pin Name CAN H CAN L RESERVED RS-232 RX 1 RS-232 TX 1 GROUND AIRCRAFT POWER 1 AIRCRAFT POWER 2 GROUND 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-55...
  • Page 361 UNIT ID 1 GROUND UNIT ID 1 +12V MAGNETOMETER POWER MAGNETOMETER GROUND RESERVED RS-232 TX 3 RS-232 RX 3 GROUND RS-485 RX A RS-485 RX B GROUND RS-232 TX 2 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-56...
  • Page 362 Transponder should only be connected to ADAHRS 1 (not 2 or 3). Pin Name Connector RS-232 RX 1 J251 RS-232 TX 1 J251 RS-232 TX 2 J252 RS-232 RX 3 J252 RS-232 TX 3 J252 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-57...
  • Page 363 Connect pin 4 (of J252) to pin 5 (of J252) Connect pin 4 (of J252) to pin 5 (of J252) and connect RS-232 RX 1 to RS-232 TX 1 ADAHRS #3 (pins 4 and 5 on J251) 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-58...

  • Page 364: Gsu 73 (Sensor Unit)

    MAGNETOMETER RS-485 IN A SIGNAL GROUND RESERVED RESERVED RESERVED CAN BUS HI CAN BUS LO DISCRETE IN* 1 DISCRETE IN* 2 DISCRETE IN* 3 DISCRETE IN* 4 *Indicates Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-59...
  • Page 365 MAGNETOMETER POWER OUT MAGNETOMETER GROUND SIGNAL GROUND SPARE SPARE SIGNAL GROUND SPARE SPARE SPARE AIRCRAFT POWER 1 SPARE AIRCRAFT POWER 2 SPARE SPARE SPARE SIGNAL GROUND *Indicates Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-60...
  • Page 366 EGT 6/MISC PRESS LO VOLTS 2 LO CHT 6 LO OIL TEMP LO OAT PROBE IN HI OAT PROBE POWER OUT SIGNAL GROUND FUEL FLOW *Indicates Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-61...
  • Page 367 POS 5 / MISC TEMP LO CHT 5 LO SPARE +12 VDC TRANSDUCER POWER OUT TRANSDUCER POWER OUT LO (GROUND) TRANSDUCER POWER OUT LO (GROUND) *Indicates Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-62...
  • Page 368 (see Section configuration). Connector Pin Name J731 AIRCRAFT POWER 1 J731 AIRCRAFT POWER 2 J731 POWER GROUND J731 POWER GROUND 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-63...
  • Page 369 25.14.3.3 Magnetometer Power The GSU 73 outputs supply voltage to the GMU 22 via pins 38 & 39. Connector Pin Name J731 MAGNETOMETER POWER OUT J731 MAGNETOMETER GROUND 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-64...
  • Page 370 Connector Pin Name J731 MAGNETOMETER RS-232 OUT J731 RS-232 IN 2 (RESERVED) J731 RS-232 OUT 2 (RESERVED) J731 RS-232 IN 3 (TRANSPONDER) J731 RS-232 OUT 3 (TRANSPONDER) 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-65...
  • Page 371 Pin Name Wire Color J732 CONFIG MODULE CLOCK WHITE (WHT) J732 CONFIG MODULE DATA YELLOW (YEL) J732 CONFIG MODULE POWER OUT RED (RED) J732 CONFIG MODULE GROUND BLACK (BLK) 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-66...
  • Page 372 ACTIVE: Vout ≤ 0.5 VDC with ≤ 20 mA sink current Sink current must be externally limited to 20 mA max Connector Pin Name J731 DISCRETE OUT* 1 J731 DISCRETE OUT* 2 *Indicates Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-67...
  • Page 373 OIL TEMP HI J732 OIL TEMP LO J732 POS 5 / MISC TEMP HI J732 POS 5 / MISC TEMP LO J732 FUEL 1 HI J732 FUEL 1 LO 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-68...
  • Page 374 POS 4 / GP 4 / FUEL 4 LO J732 SHUNT 1 HI J732 SHUNT 1 LO J732 SHUNT 2 HI J732 SHUNT 2 LO J732 THERMOCOUPLE REF IN HI J732 THERMOCOUPLE REF IN LO 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-69...
  • Page 375 GP 3/FUEL 3 or GP 4/FUEL 4 inputs, connect the high side of the input to +10 V power through a 1 kΩ resistor, as shown in Section Connector Pin Name J732 FUEL SENSOR PULL-UP 2 (FUEL 2) J732 FUEL SENSOR PULL-UP 1 (FUEL 1) 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-70...

  • Page 376: Gtp 59 (Temperature Probe)

    The GTP 59 has one three-wire interface cable as shown in Figure 25-29. Wire color designations are shown in Figure 25-30 Figure 25-29 GTP 59 Figure 25-30 GTP 59 Wire Color Designations 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-71...

  • Page 377: Gtr 20 (Vhf Communications Radio)

    MUSIC IN RIGHT MUSIC IN LEFT AIRCRAFT GROUND SPARE DISC 2* RESERVED RESERVED CAN TERM B CAN TERM A ID LO AUX 2 LO RECEIVER AUDIO LO *Indicates Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-72...
  • Page 378 CAN BUS LO CAN BUS HI CAN TERM B CAN TERM A 25.16.4 Unit ID Refer to drawings in Section 28 for ID connections. Pin Name ID IN ID LO 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-73...
  • Page 379 AUX 2 LO 25.16.7 Headset Audio Headset audio outputs Pin Name PILOT HS RIGHT PILOT HS LEFT PILOT HS LO COPILOT HS RIGHT COPILOT HS LEFT COPILOT HS LO 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-74...
  • Page 380 These inputs are considered inactive if the voltage to ground is 6.5-33 VDC or the resistance to ground is >100 k. Pin Name PILOT PTT* COPILOT PTT* *Indicates Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-75...
  • Page 381 These inputs are considered inactive if the voltage to ground is 6.5-33 VDC or the resistance to ground is >100 kW. Pin Name DISC 1* DISC 2* *Indicates Active Low 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-76...

  • Page 382: Gtx 23 (Mode S Transponder)

    RS-232 IN 1 RS-232 OUT 1 RS-232 IN 2 RS-232 OUT 2 NOT USED NOT USED ARINC 429 OUT 2 B NOT USED *Denotes active low (ground to activate) 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-77...
  • Page 383 NOT USED NOT USED NOT USED AIRCRAFT POWER 2 NOT USED POWER GROUND NOT USED AIRCRAFT POWER 2 NOT USED NOT USED *Denotes active low (ground to activate) 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-78...
  • Page 384 *Inactive State: 10  Vin  33 Vdc or Rin 100 kΩ, Active State: Vin  1.9 Vdc with  75 uA sink current, or Rin  375 Ω 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-79...
  • Page 385 Pin Name Connector ARINC 429 OUT 1A J2301 ARINC 429 OUT 1B J2301 ARINC 429 OUT 2A J2301 ARINC 429 OUT 2B J2301 SIGNAL GROUND J2301 SIGNAL GROUND J2301 190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts Rev. AC Page 25-80...
  • Page 386 26 G3X W/GSU 25 AND/OR GAD 29 INTERCONNECT DRAWINGS 26.1 Core Interconnect Drawings w/GSU 25 and/or GAD 29 Figure 26-1.1 Core Interconnect Notes for Section 24.1 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-1...
  • Page 387 Figure 26-1.2 GDU/GMU 22/GSU 25 Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-2...
  • Page 388 Figure 26-1.3 GDU/GMU 11/GSU 25 Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-3...
  • Page 389 Figure 26-1.4 Power, Backup Power (4 AH), and Antennas Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-4...
  • Page 390 Figure 26-1.5 Power, Backup Power (3 AH), and Antennas Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-5...
  • Page 391 Figure 26-1.6 GMU 22/GSU 25/GTP 59/GI 260 Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-6...
  • Page 392 Figure 26-1.7 GMC 30X/GSA 28 Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-7...
  • Page 393 TRIM OUT 1 TRIM OUT 1 TRIM TRIM MOTOR MOTOR TRIM OUT 2 TRIM OUT 2 Figure 26-1.8 GSA 28 - Trim Switch Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-8...
  • Page 394 Figure 26-1.9 GEA 24/GSU 25 - GDU 37X/4XX Backup Data Path Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-9...
  • Page 395 26.2 External Interconnect Drawings w/GSU 25 Figure 26-2.1 External Interconnect Drawing Notes for Section 24.2 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-10...
  • Page 396 Figure 26-2.2 GAD 27 Interconnect Example (page 1 of 4) 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-11...
  • Page 397 Figure 26-2.2 GAD 27 Interconnect Example (page 2 of 4) 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-12...
  • Page 398 Figure 26-2.2 GAD 27 Interconnect Example (page 3 of 4) 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-13...
  • Page 399 Figure 26-2.2 GAD 27 Interconnect Backlighting Example (page 4 of 4) 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-14...
  • Page 400 Figure 26-2.3 GDL 39/GDL 39R Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-15...
  • Page 401 Figure 26-2.4 GDL 5XR Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-16...
  • Page 402 Figure 26-2.5 GDU 37X/4XX - External LRU Interconnect Examples (page 1 of 2) 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-17...
  • Page 403 Figure 26-2.5 GDU 37X/4XX - External LRU Interconnect Examples (page 2 of 2) 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-18...
  • Page 404 Figure 26-2.6 Single GNS 430(W)/530(W) Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-19...
  • Page 405 Figure 26-2.7 Dual GNS 430(W)/530(W) Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-20...
  • Page 406 Figure 26-2.8 GNS 480 Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-21...
  • Page 407 Figure 26-2.9 GSU 25 - GTX 23ES Transponder Interconnect/Config Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-22...
  • Page 408 Figure 26-2.10 GSU 25 - Transponder Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-23...
  • Page 409 Figure 26-2.11 GSU 25 - GTX 345/345R/45R Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-24...
  • Page 410 Figure 26-2.12 GSU 25 - GTX 345/345R/45R ADS-B Position Source Options 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-25...
  • Page 411 Figure 26-2.13 GSU 25 - GTX 335/35R Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-26...
  • Page 412 Figure 26-2.14 GTN 6XX/7XX Transponder Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-27...
  • Page 413 Figure 26-2.15 Single GTN 6XX/7XX Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-28...
  • Page 414 Figure 26-2.16 Dual GTN 6XX/7XX Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-29...
  • Page 415 Figure 26-2.17 GTS 8XX Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-30...
  • Page 416 Figure 26-2.18 Non-Garmin Auto Pilot Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-31...
  • Page 417 Figure 26-2.19 Non-Garmin Auto Pilot Interconnect/Configuration Example w/GMC 30X 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-32...
  • Page 418 Figure 26-2.20 WX-500/Lightning Detector Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 25 and/or GAD 29 Drawings Rev. AC Page 26-33...

  • Page 419: Section 27 G3X W/Gsu 73 Interconnect Drawings

    27 G3X W/GSU 73 INTERCONNECT DRAWINGS 27.1 Core Interconnect Drawings Figure 27-1.1 Core (w/GSU 73) Interconnect Notes for Section 25.1 and 2 Display CAN Bus Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-1...
  • Page 420 Figure 27-1.2 GDU/GMU 22/GSU 73 Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-2...
  • Page 421 Figure 27-1.3 Power, Backup Power, and Antennas Interconnect Drawing w/GSU 73 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-3...
  • Page 422 Figure 27-1.4 GMC 30X/GSA 28 Interconnect Drawing w/GSU 73 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-4...

  • Page 423: External Interconnect Drawings W/Gsu 73

    27.2 External Interconnect Drawings w/GSU 73 Figure 27-2.1 External Interconnect w/GSU 73 Drawing Notes for Section 25.2 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-5...
  • Page 424 Figure 27-2.2 G3X w/GSU 73 - Transponders Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-6...
  • Page 425 Figure 27-2.3 GTN 6XX/7XX - Transponder Interconnect/Configuration Example w/GSU 73 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-7...
  • Page 426 Figure 27-2.4 Single GNS 430(W)/530(W) Interconnect/Configuration Example w/GSU 73 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-8...
  • Page 427 Figure 27-2.5 Dual GNS 430(W)/530(W) Interconnect/Configuration Example w/GSU 73 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-9...
  • Page 428 Figure 27-2.6 Single GTN 6XX/7XX Interconnect/Configuration Example w/GSU 73 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-10...
  • Page 429 Figure 27-2.7 Dual GTN 6XX/7XX Interconnect/Configuration Example w/GSU 73 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-11...
  • Page 430 Figure 27-2.8 GNS 480 Interconnect/Configuration Example w/GSU 73 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-12...
  • Page 431 Figure 27-2.9 Non-Garmin Auto Pilot Interconnect/Configuration Example w/GSU 73 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-13...
  • Page 432 Figure 27-2.10 G3X w/GSU 73 - GTS 8XX Interconnect/Configuration Example 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GSU 73 Interconnect Drawings Rev. AC Page 27-14...

  • Page 433: Section 28 G3X W/Gtr 20 Interconnect Drawings

    Table 28-1 GTR to GDU Interface Methods GDU 37X GDU 4XX GTR 20 None CAN Only GTR 200 RS-232 or CAN (CAN preferred) CAN Only 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GTR 20 Interconnect Drawings Rev. AC Page 28-1...

  • Page 434: Notes For Section 28 Drawings

    28.1 Notes for Section 28 Drawings Figure 28-1 Notes for Section 28 Interconnect Drawings 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GTR 20 Interconnect Drawings Rev. AC Page 28-2...

  • Page 435: Single Gtr 20 Interconnect Drawings

    J4502 J4502 CAN NODE LENGTH 0.3 METERS MAXIMUM CAN NODE LENGTH 0.3 METERS MAXIMUM J2002 J2002 P2002 P2002 Figure 28-2.1 GTR 20/GDU 4XX Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GTR 20 Interconnect Drawings Rev. AC Page 28-3...
  • Page 436 Figure 28-2.2 GTR 20/Mono Audio Source Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GTR 20 Interconnect Drawings Rev. AC Page 28-4...
  • Page 437 J2002 J2002 Figure 28-2.3 GTR 20/GMA 240 Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GTR 20 Interconnect Drawings Rev. AC Page 28-5...
  • Page 438 J2002 J2002 Figure 28-2.4 GTR 20/GMA 240/GNS 430 Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GTR 20 Interconnect Drawings Rev. AC Page 28-6...

  • Page 439: Dual Gtr 20 Interconnect Drawings

    SEE NOTE 16 ID LO ID LO COM ANTENNA COM ANTENNA COM ANTENNA COM ANTENNA J2002 J2002 P2002 P2002 Figure 28-3.1 Dual GTR 20/CAN Bus Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GTR 20 Interconnect Drawings Rev. AC Page 28-7...
  • Page 440 J2002 J2002 J2002 J2002 Figure 28-3.2 Dual GTR 20/GMA 240 Interconnect Drawing 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GTR 20 Interconnect Drawings Rev. AC Page 28-8...

  • Page 441: J2001 Connector Layout

    PTT* LEFT RIGHT LEFT RIGHT IN 2 BUS IN POWER J2001 AS VIEWED LOOKING AT THE REAR OF THE UNIT Figure 28-4 J2001 Connector Layout 190-01115-01 G3X/G3X Touch Installation Manual - G3X w/GTR 20 Interconnect Drawings Rev. AC Page 28-9...

  • Page 442: Section 29 Sensor Wiring Examples

    29 SENSOR WIRING EXAMPLES 29.1 Notes for Section 29 Drawings Figure 29-1 Notes for Sensor Wiring Example Drawings (for all Section 29 drawings) 190-01115-01 G3X/G3X Touch Installation Manual - Sensor Wiring Examples Rev. AC Page 29-1...

  • Page 443: Sensor Wiring Examples W/Gea 24

    29.2 Sensor Wiring Examples w/GEA 24 Figure 29-2.1 Page 1 of 2 Fuel Quantity and Fuel Flow Examples (w/GEA 24) 190-01115-01 G3X/G3X Touch Installation Manual - Sensor Wiring Examples Rev. AC Page 29-2...
  • Page 444 Figure 29-2.1 Page 2 of 2 Fuel Quantity and Fuel Flow Examples (w/GEA 24) 190-01115-01 G3X/G3X Touch Installation Manual - Sensor Wiring Examples Rev. AC Page 29-3...
  • Page 445 GEA 24 P243 SHUNT 1 HI SHUNT 1 LO SHUNT 2 HI SHUNT 2 LO Figure 29-2.2 Page 1 of 2 Electrical and Discrete Input/Output Examples (w/GEA 24) 190-01115-01 G3X/G3X Touch Installation Manual - Sensor Wiring Examples Rev. AC Page 29-4...
  • Page 446 Figure 29-2.2 Page 2 of 2 Electrical and Discrete Input/Output Examples (w/GEA 24) 190-01115-01 G3X/G3X Touch Installation Manual - Sensor Wiring Examples Rev. AC Page 29-5...
  • Page 447 Figure 29-2.3 Flaps/Trim and UMA Pressure Transducer Examples (w/GEA 24) 190-01115-01 G3X/G3X Touch Installation Manual - Sensor Wiring Examples Rev. AC Page 29-6...

  • Page 448: Sensor Wiring Examples W/Gsu 73

    29.3 Sensor Wiring Examples w/GSU 73 Figure 29-3.1 Page 1 of 2 Fuel Quantity and Fuel Flow Examples (w/GSU 73) 190-01115-01 G3X/G3X Touch Installation Manual - Sensor Wiring Examples Rev. AC Page 29-7...
  • Page 449 Figure 29-3.1 Page 2 of 2 Fuel Quantity and Fuel Flow Examples (w/GSU 73) 190-01115-01 G3X/G3X Touch Installation Manual - Sensor Wiring Examples Rev. AC Page 29-8...
  • Page 450 Figure 29-3.2 Page 1 of 2 Electrical and Discrete Input/Output Examples (w/GSU 73) 190-01115-01 G3X/G3X Touch Installation Manual - Sensor Wiring Examples Rev. AC Page 29-9...
  • Page 451 Figure 29-3.2 Page 2 of 2 Electrical and Discrete Input/Output Examples (w/GSU 73) 190-01115-01 G3X/G3X Touch Installation Manual - Sensor Wiring Examples Rev. AC Page 29-10...
  • Page 452 Figure 29-3.3 Flaps/Trim and UMA Pressure Transducer Examples (w/GSU 73) 190-01115-01 G3X/G3X Touch Installation Manual - Sensor Wiring Examples Rev. AC Page 29-11...

  • Page 453: Section 30 Lycoming/Continental Sensor Wiring Examples

    30 LYCOMING/CONTINENTAL SENSOR WIRING EXAMPLES 30.1 Notes for Section 30 Drawings Figure 30-1 Notes for Lycoming/Continental Sensor Drawings (for all Section 30 drawings) 190-01115-01 G3X/G3X Touch Installation Manual - Lycoming/Continental Sensor Wiring Rev. AC Page 30-1...

  • Page 454: Gea 24 - Lycoming/Continental Sensor Drawings

    30.2 GEA 24 - Lycoming/Continental Sensor Drawings Figure 30-2 GEA 24 - 4/6 Cylinder Lycoming/Continental Sensor Wiring Examples, Page 1 of 2 190-01115-01 G3X/G3X Touch Installation Manual - Lycoming/Continental Sensor Wiring Rev. AC Page 30-2...
  • Page 455 Figure 30-2 GEA 24 - 4/6 Cylinder Lycoming/Continental Sensor Wiring Examples, Page 2 of 2 190-01115-01 G3X/G3X Touch Installation Manual - Lycoming/Continental Sensor Wiring Rev. AC Page 30-3...
  • Page 456 Figure 30-3 GEA 24 - Lycoming IE2 Electronic Control Unit 190-01115-01 G3X/G3X Touch Installation Manual - Lycoming/Continental Sensor Wiring Rev. AC Page 30-4...

  • Page 457: Gsu 73 - Lycoming/Continental Sensor Drawings

    30.3 GSU 73 - Lycoming/Continental Sensor Drawings Figure 30-4 GSU 73 - 4/6 Cylinder Lycoming/Continental Sensor Wiring Examples, Page 1 of 3 190-01115-01 G3X/G3X Touch Installation Manual - Lycoming/Continental Sensor Wiring Rev. AC Page 30-5...
  • Page 458 OUTPUT (PIN C) OUTPUT (PIN C) GROUND (PIN A) GROUND (PIN A) Figure 30-4 GSU 73 - 4/6 Cylinder Lycoming/Continental Sensor Wiring Examples, Page 2 of 3 190-01115-01 G3X/G3X Touch Installation Manual - Lycoming/Continental Sensor Wiring Rev. AC Page 30-6...
  • Page 459 Figure 30-4 GSU 73 - 4/6 Cylinder Lycoming/Continental Sensor Wiring Examples, Page 3 of 3 190-01115-01 G3X/G3X Touch Installation Manual - Lycoming/Continental Sensor Wiring Rev. AC Page 30-7...

  • Page 460: Section 31 Rotax Sensor Wiring Examples

    31 ROTAX SENSOR WIRING EXAMPLES 31.1 Notes for Section 31 Drawings Figure 31-1 Notes for Rotax 912/914 Sensor Drawings (for all Section 31 drawings) 190-01115-01 G3X/G3X Touch Installation Manual - Rotax Sensor Wiring Examples Rev. AC Page 31-1...

  • Page 461: Gea 24 - Rotax Sensor Drawings

    31.2 GEA 24 - Rotax Sensor Drawings Figure 31-2.1 GEA 24 - Rotax 912/914 Sensor Wiring Examples, Page 1 of 2 190-01115-01 G3X/G3X Touch Installation Manual - Rotax Sensor Wiring Examples Rev. AC Page 31-2...
  • Page 462 Figure 31-2.1 GEA 24 - Rotax 912/914 Sensor Wiring Examples, Page 2 of 2 190-01115-01 G3X/G3X Touch Installation Manual - Rotax Sensor Wiring Examples Rev. AC Page 31-3...
  • Page 463 Figure 31-2.2 GEA 24 - Rotax 912iS/915iS FADEC Wiring Example 190-01115-01 G3X/G3X Touch Installation Manual - Rotax Sensor Wiring Examples Rev. AC Page 31-4...

  • Page 464: Gsu 73 - Rotax Sensor Drawings

    31.3 GSU 73 - Rotax Sensor Drawings Figure 31-3 GSU 73 - Rotax 912/914 Sensor Wiring Examples, Page 1 of 2 190-01115-01 G3X/G3X Touch Installation Manual - Rotax Sensor Wiring Examples Rev. AC Page 31-5...
  • Page 465 GROUND GROUND XDCR PWR OUT LO (GROUND) XDCR PWR OUT LO (GROUND) Figure 31-3 GSU 73 - Rotax 912/914 Sensor Wiring Examples, Page 2 of 2 190-01115-01 G3X/G3X Touch Installation Manual - Rotax Sensor Wiring Examples Rev. AC Page 31-6...

  • Page 466: Section 32 Jabiru Sensor Wiring Examples

    IF MEASURING ALTERNATOR CURRENT, PLACE THE SHUNT BETWEEN THE ALTERNATOR B LEAD AND THE POWER DISTRIBUTION BUS. Figure 32-1 Notes for Jabiru Sensor Drawings (for all Section 32 drawings) 190-01115-01 G3X/G3X Touch Installation Manual - Jabiru Sensor Wiring Examples Rev. AC Page 32-1...

  • Page 467: Gea 24 - Jabiru Sensor Drawings

    32.2 GEA 24 - Jabiru Sensor Drawings Figure 32-2 GEA 24 - Jabiru Sensor Wiring Examples, Page 1 of 2 190-01115-01 G3X/G3X Touch Installation Manual - Jabiru Sensor Wiring Examples Rev. AC Page 32-2...
  • Page 468 Figure 32-2 GEA 24 - Jabiru Sensor Wiring Examples, Page 2 of 2 190-01115-01 G3X/G3X Touch Installation Manual - Jabiru Sensor Wiring Examples Rev. AC Page 32-3...

  • Page 469: Gsu 73 - Jabiru Sensor Drawings

    OUTPUT (PIN C) MANIFOLD PRESS LO MANIFOLD PRESS LO GROUND (PIN A) GROUND (PIN A) Figure 32-3 GSU 73 - Jabiru Sensor Wiring Examples, Page 1 of 2 190-01115-01 G3X/G3X Touch Installation Manual - Jabiru Sensor Wiring Examples Rev. AC Page 32-4...
  • Page 470 EGT 6/MISC 1 LO EGT 6/MISC 1 LO OUT #6 LO OUT #6 LO Figure 32-3 GSU 73 - Jabiru Sensor Wiring Examples, Page 2 of 2 190-01115-01 G3X/G3X Touch Installation Manual - Jabiru Sensor Wiring Examples Rev. AC Page 32-5...

  • Page 471: Section 33 Gdu 37X Configuration And Post Installation Checkout

    Ground power unit capable of supplying 14/28 Vdc power to the aircraft systems and avionics • Outdoor line-of-sight to GPS satellite signals or GPS indoor repeater • Digital Level or equivalent 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-1...

  • Page 472: Configuration Mode

    It is also acceptable to insert the SD card before powering on the unit. 2. A software update pop-up will appear on the screen, highlight YES and press the ENT key to begin the update. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-2...
  • Page 473 Problems loading LRU software updates are typically related to CAN network issues. See Section 2.3.1.3.6 for CAN bus troubleshooting guidance. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-3...
  • Page 474 SW update may damage the GDL 39/39R causing it to be non-functional. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-4...

  • Page 475: Configuration Pages

    INFO box and press the UPDATE softkey), and also test the annunciator outputs on the EIS and GMC 30X LRUs by pressing the ANNUN TEST softkey. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 476 YD" for a two-axis autopilot installation with a third yaw damper servo. 1. In configuration mode (Section 33.2), use the FMS Joystick to select and view the LRU Page. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-6...
  • Page 477 Use the FMS Joystick to enable or disable the listed LRUs. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-7...
  • Page 478 ADAHRS page (configuration mode) indicate a positive state (green check marks) before starting the procedure. Table 33-2 Table 33-3 list the status box requirements for each calibration procedure. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-8...
  • Page 479 3D or 3D Differential GPS solution available True Airspeed (TAS) available. NOTE: A valid outside air temperature (OAT) Air Data measurement is required for TAS to be valid. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-9...
  • Page 480 3. Use the FMS Joystick to select which ADAHRS (1, 2, or 3) is being configured. 4. Use the FMS Joystick to select Unit Orientation and press the ENT key. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 481 7. Read the description of the selected orientation to ensure the proper orientation has been selected, then press the Save softkey to store the orientation. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 482 1. Enter configuration mode by holding down the left-hand softkey while powering on the PFD 1 display (if needed). 2. Use the FMS Joystick to select the ADAHRS Page (if needed). 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-12...
  • Page 483 Joystick to select which ADAHRS (1, 2 or 3) is being configured. 4. Use the FMS Joystick to select PITCH/ROLL OFFSET, press the ENT key. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 484 The GSU 73 pitch/roll offset procedure completes in a few seconds. The GSU 25 pitch/roll offset procedure has a 30 second countdown timer that resets when the aircraft moves. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 485 ADAHRS units before moving the aircraft. This applies equally to all ADAHRS units, including the GSU 25, GSU 73, and G5 backup display. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 486 3. Ensure that all the required status boxes are checked (Table 33-2 Table 33-3). Use the FMS Joystick to select which ADAHRS (1, 2 or 3) is being configured. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-16...
  • Page 487 4. Use the FMS Joystick to select ENGINE RUN-UP TEST and press the ENT key. 5. Ensure that the aircraft has been properly positioned per the on-screen instructions, then press the Start softkey to begin the test. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-17...
  • Page 488 7. Press the Done softkey when engine runup has been completed, the test results will be displayed. Ensure that test results indicate Passed, then press the Done softkey to return to the ADAHRS page. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-18...
  • Page 489 However, windy conditions should not be taken as evidence that the test would pass in calm conditions; an actual pass is required before the installation can be considered adequate. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 490 2. Use the FMS Joystick to select the ADAHRS Page (if needed). 3. Use the FMS Joystick to select which ADAHRS (1, 2, or 3) is being configured. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 491 5. Ensure that all on-screen instructions have been complied with, then press the Start button to begin the calibration. Actual displayed image will be similar to following figure. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 492 8. When the static pressure calibration is complete, a status screen will show that the procedure was successful. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-22...
  • Page 493 Pitch/Roll Offset Compensation and following a Calibration removal or replacement of the GMU unit, or degaussing of the area near the GMU location. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-23...
  • Page 494 Magnetometer is receiving valid attitude data from ADAHRS applicable) The Magnetometer Configuration Page status boxes referred to in Table 33-5 and Table 33-6 are shown in the following figure. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-24...
  • Page 495 2. Use the FMS Joystick to select the MAG Page (if needed). 3. Use the FMS Joystick to select the Magnetometer designated for the GMU 11 and press the ENT key. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-25...
  • Page 496 4. Use the FMS Joystick to select Magnetometer Orientation and press the ENT key. 5. Use the FMS Joystick to select the correct orientation of the mounted GMU 11 and press the ENT key. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-26...
  • Page 497 6. Ensure that the orientation of the GMU 11 complies with the displayed conditions, then press SAVE to store and complete the Magnetometer Orientation procedure. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 498 3. Ensure that all the required status boxes are checked (Table 33-5 Table 33-6). Use the FMS Joystick to select which Magnetometer (1, 2 or 3) is being configured. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-28...
  • Page 499 5. Ensure that the aircraft has been properly prepared per the on-screen instructions. See Table 33-7 for a sample test sequence. Press the Start softkey to begin the test. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-29...
  • Page 500 The magnetic deviation value is displayed to indicate the pass or fail margin of the test. Press the Done softkey to return to the MAG Page. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 501 Turn off all wing-tip lights simultaneously 5:40 Beacon on 5:50 Beacon off 6:00 Pitot heat on 6:10 Pitot heat off 6:20 End of test 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-31...
  • Page 502 A maximum deviation value greater than 100% of the total limit in any axis indicates a problem that must be resolved. Compare the corresponding timestamps with the prepared test sequence to identify which action produced the problem. Contact Garmin for assistance in resolving the problem.
  • Page 503 (west) of the North/South axis to allow turning clockwise around the site as indicated in Figure 33-3. Figure 33-3 Aircraft Alignment 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-33...
  • Page 504 Joystick to select which magnetometer (1, 2 or 3) is being configured. 4. On the MAG page, use the FMS Joystick to select Magnetometer Calibration and press the ENT key. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-34...
  • Page 505 6. Follow the on-screen instructions, the dots at the end of the text will be removed as the test progresses. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-35...
  • Page 506 This is especially important if something about the airplane has been changed that required a repeat of the Magnetic Calibration Procedure. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 507 NOTE The following post installation checkout must be followed after every completed installation. These steps should be followed when using a Garmin mounting kit or non- Garmin mounting parts to install the GSA 28. After mounting the GSA 28, please complete the following steps prior to completing the first flight with the GSA 28.
  • Page 508 A larger number will cause the pitch servo to more aggressively control the aircraft, and a smaller number will cause the pitch servo to less aggressively control the aircraft. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 509 NOTE Ensure basic autopilot functionality is properly adjusted before enabling trim control for any servo. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-39...
  • Page 510 33.4.5.3 Step by Step On-Ground Setup Servo Wiring Checkout The first phase of setting up the Garmin autopilot system is to verify the proper wiring of the GSA 28 servos while on the ground. 1. If the installation is a 1-axis (roll only) autopilot, use the LRU page in configuration mode on the PFD to configure the “Autopilot Servos”...
  • Page 511 Finally, verify the electric trim motor responds in the proper directions using the TRIM L and TRIM R softkeys on the AP CONFIG page. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 512 Finally, verify the electric trim motor responds in the proper directions using the TRIM UP and TRIM DN softkeys on the AP CONFIG page. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 513 Finally, verify the electric trim motor responds in the proper directions using the TRIM L and TRIM R softkeys on the AP CONFIG page. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 514 BANK LEFT BANK RIGHT Figure 33-6 Reversed Roll Servo Direction 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-44...
  • Page 515 NOSE DOWN NOSE UP Figure 33-8 Reversed Pitch Servo Direction 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-45...
  • Page 516 NOSE LEFT NOSE RIGHT Figure 33-10 Reversed Yaw Damper Direction 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-46...
  • Page 517 The min airspeed limit should be set above the stall speed of the aircraft with some margin. b) The max airspeed limit should be set below the never exceed speed of the aircraft with some margin. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-47...
  • Page 518 33.4.5.4 Autopilot Setup The next phase of setting up the Garmin autopilot system is to verify the proper functionality of the autopilot system on the ground in normal mode. This phase of the checkout requires a valid aircraft heading and pitch output from the ADAHRS. This means the post installation procedures must have already been completed on the ADAHRS before performing the on ground autopilot normal mode checkout.
  • Page 519 5. Verify the stick properly moves toward the nose and toward the right wing smoothly with no control system binding. Figure 33-12 Stick Position Nose Down, Bank Right 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-49...
  • Page 520 7. Verify the stick properly moves toward the tail and toward the right wing smoothly with no control system binding. Figure 33-13 Stick Position Nose Up, Bank Right 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-50...
  • Page 521 10. If the stick position does not move in the correct direction, correct the roll and pitch servo directions documented in Servo Wiring Checkout Step 9 Step 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-51...
  • Page 522 Select the AUTOPILOT page. d) Select ROLL SERVO and set the MAX TORQUE. e) Select PITCH SERVO and set the MAX TORQUE. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-52...
  • Page 523 33.4.5.5 Yaw Damper Setup The next phase of setting up the Garmin autopilot system is to verify the proper functionality of the yaw damper system on the ground in normal mode. This phase of the checkout requires a valid output from the ADAHRS.
  • Page 524 If the audio output of the G3X system is connected to the aircraft audio system, verify the pilot hears an autopilot disconnect tone when disconnecting the autopilot. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 525 33.4.5.6 Step By Step In-Air Autopilot Setup The next phase of setting up the Garmin autopilot system is to verify and tune the proper functionality of the autopilot system while airborne. WARNING This stage of the flight test involves allowing the GSA 28 autopilot servos to manipulate the flight control surfaces of the aircraft.
  • Page 526 See preceding note to access the expert settings. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-56...
  • Page 527 Press MENU two times on the GDU to enter the MAIN MENU page. c) Select the SYSTEM SETUP page. d) Select the AUTOPILOT page. e) Select PITCH SERVO page and highlight the SERVO GAIN entry. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-57...
  • Page 528 See preceding note to access the expert settings. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-58...
  • Page 529 4. Set the vertical speed gain lower to make the autopilot less aggressive if the control is too “harsh” or more responsive than desired. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-59...
  • Page 530 See preceding note to access the advanced/expert settings. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-60...
  • Page 531 Yaw Damper Setup The next phase of setting up the Garmin yaw damper system is to verify and tune the proper functionality of the yaw damper system in the air. WARNING This stage of the flight test involves allowing the GSA 28 autopilot servos to manipulate the flight control surfaces of the aircraft.
  • Page 532 Fly a yaw doublet and engage the YD as the ball swings through the center 1.Right foot rudder to swing ball left 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-62...
  • Page 533 See preceding note to access the advanced/expert settings. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-63...
  • Page 534 This item has no effect on auto trim. Figure 33-16 Roll, Pitch, and Yaw Configuration Pages 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-64...
  • Page 535 Recommend setting the slowest motor speed to 25% (will be adjusted later in flight) 3. Re-verify proper trim movement in described in Section 33.4.5.3 Steps 6, 7, & 8. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-65...
  • Page 536 33.4.5.8 In Air Setup The next phase of setting up the Garmin GSA 28 based trim control system is to verify and set the proper functionality of the trim system in the air. WARNING This stage of the flight test involves allowing the GSA 28 autopilot servos to manipulate the flight control surfaces of the aircraft.
  • Page 537 Trim aircraft using manual electric trim inputs ii. Trim response should not be overly slow iii. Trim response should not be overly fast 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-67...
  • Page 538 GMC 30X AP button or the softkeys on the PFD display. Figure 33-17 General Autopilot Configuration Page 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-68...
  • Page 539 (configuration mode only) The Trim Motor Control should be disabled if the GSA 28 roll servo was not connected to an auxiliary trim motor. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-69...
  • Page 540 If the installer notices the aircraft doing very small oscillations, the Fine Adjust Time and Fine Adjust Amount can be used to correct this. Figure 33-18 Roll Servo Autopilot Configuration Page 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-70...
  • Page 541 The Trim Motor Control should be disabled if the GSA 28 pitch servo was not connected to an auxiliary trim motor. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-71...
  • Page 542 If the installer notices the aircraft doing very small oscillations, the Fine Adjust Time and Fine Adjust Amount can be used to correct this. Figure 33-19 Pitch Servo Autopilot Configuration Page 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-72...
  • Page 543 The Trim Motor Control should be disabled if the GSA 28 yaw damper servo was not connected to an auxiliary trim motor. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-73...
  • Page 544 Accel Filter Constant is an expert level setting, and should generally be not be changed by the installer, the default value is 0.16. Figure 33-20 Yaw Damper Autopilot Configuration Page 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-74...
  • Page 545 The Airspeed Accel Gain should be increased if the aircraft is appears to back off from the desired airspeed target when closing on the bug. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 546 The Airspeed Track Gain should be decreased if the aircraft is overly aggressive while tracking airspeed when the airspeed error is less than 5 knots. Figure 33-21 Pitch Gain Autopilot Configuration Page 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-76...
  • Page 547 Manual Electric Trim (MET) control and then reassert it to continue running trim. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-77...
  • Page 548 Figure 33-22 Manual Electric Trim Autopilot Configuration Page 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-78...
  • Page 549 Stall Warning Caution Alert Approach Target AOA Minimum Visible AOA Figure 33-23 Angle of Attack (AOA) Display 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-79...
  • Page 550 MEDIUM ANGLE OF ATTACK EXCESSIVE ANGLE OF ATTACK Air Flow is Broken. No Lift to Sustain the Airplane. Figure 33-24 Angle of Attack (AOA) Illustration 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-80...
  • Page 551 1. In normal mode on PFD 1, press the MENU Key twice to display the Main Menu. 2. Use the FMS Joystick to select System Setup. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 552 Alert AOA, and Calibrated Stall Warning AOA), plus 1 optional calibration point (Callibrated Approach Target AOA, if desired) in the following recommended order. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-82...
  • Page 553 1. Use the FMS Joystick to select the Calibrated Minimum Visible AOA calibration field, then press the Calibrate softkey . 2. Follow the onscreen instructions, then press the Start softkey to begin the calibration. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-83...
  • Page 554 After calibrating all required AOA points, if the AOA gauge appears too frequently or not frequently enough, the Minimum Visible AOA calibration step can be repeated to set a new value. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-84...
  • Page 555 1. Use the FMS Joystick to select the Calibrated Caution Alert AOA calibration field, then press the Calibrate softkey. 2. Follow the onscreen instructions, then press the Start softkey to begin the calibration. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-85...
  • Page 556 After calibrating all required AOA points, if the AOA caution alert and audio warning occur too frequently or not frequently enough, the Caution Alert AOA calibration step can be repeated to set a new value. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-86...
  • Page 557 2. Follow the onscreen instructions, then press the Start softkey to begin the calibration. 3. Press the Calibrate softkey when in compliance with the onscreen instructions. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 558 6. If desired, proceed to Approach Target AOA Calibration (Optional). If the Approach Target AOA Calibration procedure is not desired, the AOA Calibration Procedure is complete. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-88...
  • Page 559 1. Use the FMS Joystick to select the Calibrated Approach Target AOA calibration field, then press the Calibrate softkey . 2. Follow the onscreen instructions, then press the Start softkey to begin the calibration. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-89...
  • Page 560 3. Press the Calibrate softkey when in compliance with the onscreen instructions. 4. Verify that the calibration is successful, then press the Done softkey when finished. 5. This completes the AOA calibration procedure. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-90...
  • Page 561 (ALT) mode and the user moves the pitch wheel on the GMC 30X, or the FMS Joystick up/down. When set to Select VS Mode, 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 562 Down Action fields do not appear, but the Default Climb Rate/Descent Rate fields do appear as shown in Figure 33-32. Figure 33-32 Altitude Controls, Simplified 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-92...
  • Page 563 This page allows configuration of certain options for the ESP (Electronic Stability and Protection) function. It will only appear in installations that include an autopilot with Garmin servos. ESP is an optionally enabled feature that is intended to assist the pilot in maintaining the aircraft in a stable flight condition.
  • Page 564 Level Mode to bring the aircraft into level flight if ESP has been engaged for more than 15 seconds of a 30 second time period. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 565 VNE has been entered as 205 knots indicated airspeed. The aircraft is below the never-exceed speed any time its indicated airspeed is below 205 knots. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 566 Mach limit even if its indicated airspeed is below the normal indicated VNE "red line". The second red band on the PFD airspeed tape alerts the pilot to this condition 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 567 GDU will use the default black-and-white airplane symbol. 1. In configuration mode, use the FMS Joystick to select the ACFT Page. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-97...
  • Page 568 ENT Key or use the FMS Joystick to select the next item. Press the FMS Joystick to move the cursor to the page selection menu when finished. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 569 4. To edit or delete a station, highlight the desired station, then press the ENT softkey. 5. Press the FMS Joystick to move the cursor to the page selection menu when finished. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 570 ENT Key or use the FMS Joystick to select the next item. Press the FMS Joystick to move the cursor to the page selection menu when finished. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 571 The DSPL Configuration Page allows setting the parameters for display backlight and display options configuration. 1. In configuration mode, use the FMS Joystick to select the DSPL Page. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-101...
  • Page 572 Input Type–Sets the aircraft lighting bus voltage for either 12 or 24 V input to match the aircraft lighting bus voltage. Time Constant–Adjusts the speed (in seconds), that the brightness level responds to changes in the input voltage level. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-102...
  • Page 573 PFD Auto Declutter - Determines whether non-essential information will be removed from the PFD display when the aircraft is in an unusual attitude. Set to “Disable” to retain all information on the PFD during aerobatic maneuvers. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-103...
  • Page 574 Traffic Page–Sets the dedicated Traffic page to displayed (SHOW) or not displayed (HIDE). Only applicable when configured for traffic input, otherwise not displayed. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-104...
  • Page 575 Alert Output – If set to MONO + STEREO, alert tones and messages will be output on both the mono and stereo outputs. If set to MONO ONLY, alert tones and messages will be output only on the mono output. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 576 ENT Key or use the FMS Joystick to select the next item. Press the FMS Joystick to move the cursor to the page selection menu when finished. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 577 Each connected GDU 37X has three configurable RS-232 channels, the optional settings are: Garmin Data Transfer - The proprietary format used to exchange data with a PC or a GDL 39 Garmin Instrument Data - Used for connecting to compatible Garmin LRUs (e.g. GSU 25, GMC 30X) Garmin HSDB - Used for connecting to compatible Garmin LRUs (e.g.
  • Page 578 Aviation In - The proprietary format used for input to the G3X (baud rate of 9600) from an FAA certified Garmin panel mount unit. Allows the G3X to display a Go To or route selected on the panel mount unit, which eliminates the need to enter the destination on both units.
  • Page 579 26.2), it is not necessary to select TIS-A In, as the transponder data is received via the ADAHRS 1 LRU. Garmin VHF Nav/Comm - Outputs frequency tuning and radial selection data to an SL30 or GTR 20/200 Nav/Comm radio, and receives lateral and vertical NAV deviation signals.
  • Page 580 377 Equipment ID ARINC 429 Inputs: Garmin GPS – Receives GPS labels from a GNS 400/500, GNS 480, or GTN 600/700 series unit. A second selection is used to determine if the GPS input is from NAV 1 or NAV 2.
  • Page 581 (disabled), or if the system should always return to using the configured external GPS nav source at powerup (enabled). 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 582 1. Power on the unit in configuration mode and use the FMS Joystick (scroll down) to view GPS Status on the Main Page. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-112...
  • Page 583 GPS Status may also be monitored on the Info page in normal mode. The signal strength bars are a real-time representation of GPS signal strength, which may be useful for troubleshooting a failed COM interference test. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-113...
  • Page 584 Aircraft Max Speed: Enter aircraft maximum speed. Aircraft Length: Enter Aircraft Length. Aircraft Width: Enter Aircraft Width. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-114...
  • Page 585 HSDB GTN/GTS Device: These fields are only available when Transponder Type is configured for a GTX 345, 345R, or 45R. Used to select which device(s) the GTX will communicate with (GTN and/or GTS) via HSDB. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-115...
  • Page 586 These files can be opened in Excel, or imported into Google Earth for viewing using the Garmin Flight Log Conversion tool. The tool and instructions needed to import the files into Google Earth are available from the G3X Product Page found on the Garmin website www.garmin.com.
  • Page 587 Additionally, all installation practices should be done in accordance with AC 43.13-1B. Section 29 through Section 32 contain interface drawings for sensor installations using the Garmin sensor kits, and for other sensor installations. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev.
  • Page 588 EIS LRU type (GEA 24, Figure 33-35 or GSU 73, Figure 33-36) will be displayed. Figure 33-35 GEA 24 Engine/Airframe Input Configuration Page 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-118...
  • Page 589 Configuration page that allows access to calibration functions and time adjustments, but does not allow changing EIS configuration values. See Section 33.4.19.4 for calibration information.See also Engine Time Configuration Total Time information. Figure 33-37 EIS Configuration Page 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-119...
  • Page 590 3. Press the Save softkey to store settings or press the Cancel softkey to cancel changes and return to the Engine Configuration Page. 4. Press the FMS Joystick to move the cursor to the page selection menu when finished. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-120...
  • Page 591 Yellow Line Red Line Gauge Display Range – The Gauge Display Range allows for setting the minimum and maximum values of each gauge. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-121...
  • Page 592 "VOLTS 1" and "VOLTS 2”. If there is not enough room to display both related gauges then neither gauge will be displayed in the EIS display (but will be displayed on the MFD’s Engine Page). 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 593 EIS display. These required gauges do not have an EIS Display setting. Other gauges will be displayed as space permits based upon hierarchy. Oil Temperature Oil Pressure Fuel Quantity 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-123...
  • Page 594 TIT 1 and TIT 2 inputs on the GEA 24 or GSU 73. If Lean Assist using TIT is desired, change the Lean Assist setting to "Enabled". (see Lean Assist for more information). 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-124...
  • Page 595 Rotax 912iS/915iS: For the GEA 24, select "Rotax FADEC" for the manifold pressure configuration to use manifold pressure data from the Rotax 912iS/915iS FADEC interface. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 596 Coolant Pressure The Kavlico P4055-50G sensor can be configured to monitor engine coolant pressure on the GEA 24 or GSU 73 MISC PRESS input. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-126...
  • Page 597 The GSU 73 FUEL 3 and 4 analog inputs require an external pull-up resistor when used with a resistive analog fuel quantity sensor (see Figure 29.3). The analog and digital fuel quantity inputs require calibration (see Section 33.4.19.4). 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-127...
  • Page 598 Lane A of the Rotax 912iS/915iS ECU. Configure the VOLTS 2 input to "Rotax FADEC ECU Bus B Volts" to power supply voltage data from ECU Lane B. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 599 If both fuel flow inputs are configured, the displayed fuel flow will be FUEL FLOW 1 (feed) minus FUEL FLOW 2 (return). 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-129...
  • Page 600 A Gear Up input should be used in conjunction with another discrete input that is configured for the Gear Down function. If neither the Gear Up nor Gear Down inputs are active, a 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 601 7°C (45°F) and the input is not active. Configure for Active Low when used with the regulated GAP 26 (-20 version). See also GAP 26 Alert Configuration. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-131...
  • Page 602 7° C (45° F). This configuration provides the same indication as Configuration #2, but hides the pitot temperature alert when flying in warmer weather conditions. Figure 33-40 Configuration #3 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-132...
  • Page 603 FADEC data interface (for example, an Economy mode indication) will be displayed if available. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-133...
  • Page 604 Records Total Time when aircraft is airborne as determined by GPS data Flight Time and the indicated airspeed Records Total Time when engine RPM is greater than 100 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-134...
  • Page 605 The calibration curve being used to display fuel quantity switches automatically and is determined by GPS groundspeed, indicated airspeed, and height above ground. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-135...
  • Page 606 To delete a calibration value, highlight the desired data point in the list and press the CLR Key. Then highlight Yes on the pop-up window, and press the ENT Key, the calibration data is removed. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 607 Write Calibration File – Stores fuel quantity calibration data to a file on the SD card. Calibration data is saved to the /Garmin/cal/ directory on the card. This data storage must be repeated for each calibrated tank (if backup is desired).
  • Page 608 To delete a calibration value, highlight the desired data in the list, and press the CLR Key. Then highlight Yes on the pop-up window, and press the ENT Key, the calibration data is removed. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 609 If the resulting current value is less than the deadband value, the displayed current will be zero. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...

  • Page 610: Garmin Database Updates

    GDU after installing the database(s). After the databases have been updated, check that the appropriate databases are initialized and displayed on the splash screen during power-up. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 611 4. The database(s) can be updated by either highlighting UPDATE ALL and pressing the ENT key; or by using the FMS Joystick to highlight a single database and pressing the ENT Key. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...
  • Page 612 6. Once the database(s) have been updated, the SD card can be removed from the unit 7. The unit must be restarted by pressing the Restart softkey. 8. Repeat steps 1-7 for each installed GDU 37X. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-142...
  • Page 613 The terrain database contains the elevation data which represents the topography of the earth. This database is updated on an “as needed” basis and has no expiration date. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...

  • Page 614: Siriusxm® Activation Instructions (Gdu 375 Only)

    1. Power on unit and use the FMS Joystick to select the XM Page. 2. Verify that the XM receiver is functioning correctly as indicated by the green signal strength bars. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC...

  • Page 615: External Interface Configuration (Garmin Units Only)

    Section 27.2 for wiring the interface connections between GDU 37X LRUs and any external Garmin units such as the GNS 4XX/5XX, GNS 480, GTN 6XX/7XX, and GTX transponder products. See the Configuration Guidance instructions on the drawings in Section 26.2 Section 27.2...
  • Page 616 4XX Main VOR/LOC/GS 429 Config Page 5XX Main VOR/LOC/GS 429 Config Page NOTE Each output channel can be used to drive up to three RS-232 devices. 190-01115-01 G3X/G3X Touch Installation Manual - GDU 37X Config and Post Install Checkout Rev. AC Page 33-146...
  • Page 617 1. With the GTN turned off (circuit breaker pulled), press and hold the HOME key and reapply power to the GTN (push in the circuit breaker). 2. Release the HOME key when the display activates and the name ‘Garmin’ appears fully lit on the screen.

  • Page 618: Gdu Splash Screen

    33.9 Checklist Editor The Aviation Checklist Editor (ACE) is available for free download from the Garmin website www.garmin.com. Click on the Software link on the G3X product page and follow the on-screen instructions to download the checklist editor software. NOTE The checklist file should be named with a ‘.ace’...

  • Page 619: Section 34 Gdu 4Xx Configuration And Post Installation Checkout

    GDU 37X displays to GDU 4XX displays, Garmin suggests recording GDU 37X stored calibration data such as V-speeds, RS-232 settings, ARINC 429 settings, engine gauge configuration, etc. to be used in the GDU 4XX. This is done by writing down the info or by storing screenshots.

  • Page 620: Recommended Test Equipment

    After all configuration changes have been made, use the Save & Reboot (Section 34.4.27) button to save all changes and return to normal mode. Figure 34-1 Configuration Mode Page 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-2...

  • Page 621: Software Loading Procedure

    Problems loading LRU software updates are typically related to CAN network issues. See Section 2.3.1.3.6 for CAN bus troubleshooting guidance. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-3...
  • Page 622 SW update may damage the GDL causing it to be non-functional. Figure 34-2 GDL 39 SW Update Status 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-4...
  • Page 623 2. Press the “-” or “+” buttons to increase or decrease the setting. 3. Press anywhere on the Touch Panel other than the slider bar (or the Back key) to return to the Configuration Page. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-5...
  • Page 624 Touch Panel or a Move Selector Knob. 2. Press the Back key to return to the Configuration Mode page when finished (if desired). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-6...
  • Page 625 Electrical Control System must be enabled to display the Flaps, External Lights, and Cockpit Lighting configuration pages, as well as the GAD 27 tab on the Engine Information System Configuration page. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-7...
  • Page 626 Calibration Page (configuration mode) indicate a positive state (green check marks) before starting the procedure. Table 34-2 and Table 34-3 list the status box requirements for each calibration procedure. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-8...
  • Page 627 3D or 3D Differential GPS solution available. True Airspeed (TAS) available. NOTE: A valid outside air temperature (OAT) Air Data measurement is required for TAS to be valid 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-9...
  • Page 628 3. Use the Touch Panel or a Move Selector Knob to select the ADAHRS (1, 2, or 3) that is being configured. 4. Use the Touch Panel or a Move Selector Knob to select Unit Orientation. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-10...
  • Page 629 7. Read the description of the selected orientation to ensure the proper orientation has been selected, then press the Start button to store the orientation. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-11...
  • Page 630 34.2), this step can be skipped if PFD1 is already in configuration mode. 2. Use the Touch Panel or a Move Selector Knob to select the ADAHRS Calibration Page. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-12...
  • Page 631 Per the following figure, GSU 25 units must have the ADAHRS pitch and roll within 30 degrees of level, GSU 73 units must have the ADAHRS pitch and roll within 3.0 degrees of level. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-13...
  • Page 632 The pilot may adjust the displayed pitch attitude in normal mode by using the PFD Setup page (see G3X Touch Pilot’s Guide,190-01754-00). The maximum amount of pitch display adjustment available in Normal Mode is +/- 2.5°. This feature should not be used to compensate for a non-conforming GSU 25/GSU 73 installation that does not meet the requirements of Calibration Procedure Pitch/Roll Offset Compensation.
  • Page 633 Panel or a Move Selector Knob to select the ADAHRS (1, 2 or 3) that is being configured. 4. Use the Touch Panel or a Move Selector Knob to select Engine Run-up Test. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-15...
  • Page 634 If the engine run-up test fails repeatedly, record the values that are reported to be out of range for future reference. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-16...
  • Page 635 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-17...
  • Page 636 3. Use the Touch Panel or a Move Selector Knob to select the ADAHRS (1, 2 or 3) that is being configured. 4. Use the Touch Panel or a Move Selector Knob to select Static Pressure Calibration. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-18...
  • Page 637 Press NEXT to continue and calibrate this pressure. Actual displayed image will be similar to following figure. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-19...
  • Page 638 9. When the static pressure calibration is complete, a status screen will show that the procedure was successful. Actual displayed image will be similar to following figure. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-20...
  • Page 639 Calibration Taxi Maneuver Compensation and following a removal or replacement of the GMU unit, or degaussing of the area near the GMU location. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-21...
  • Page 640 34.4.5.2), ADAHRS Static Pressure Calibration (Section 34.4.5.4), and GMU 11 Orientation (Section 34.4.6.1) must be repeated before the aircraft can be returned to service. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-22...
  • Page 641 4. Use the Touch Panel or a Move Selector Knob to select Unit Orientation. 5. Determine the correct GMU 11 orientation, then select that orientation from the pull-down list. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-23...
  • Page 642 6. Read the description of the selected orientation to ensure the proper orientation has been selected, then press the Save button to store the orientation. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-24...
  • Page 643 Panel or a Move Selector Knob to select the ADAHRS (1, 2 or 3) that is being configured. 4. Use the Touch Panel or a Move Selector Knob to select Magnetic Interference Test. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-25...
  • Page 644 It is important that all actions are carried out in the order and at the precise elapsed time as specified in the prepared test sequence. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-26...
  • Page 645 The magnetic deviation value is displayed to indicate the pass or fail margin of the test. Press the Done softkey to return to the Magnetometer Page. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-27...
  • Page 646 Turn off all wing-tip lights simultaneously 5:40 Beacon on 5:50 Beacon off 6:00 Pitot heat on 6:10 Pitot heat off 6:20 End of test 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-28...
  • Page 647 A maximum deviation value greater than 100% of the total limit in any axis indicates a problem that must be resolved. Compare the corresponding timestamps with the prepared test sequence to identify which action produced the problem. Contact Garmin for assistance in resolving the problem.
  • Page 648 (west) of the North/South axis to allow turning clockwise around the site as indicated in Figure 34-5. Figure 34-5 Aircraft Alignment 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-30...
  • Page 649 4. Use the Touch Panel or a Move Selector Knob to select Magnetometer Calibration Test. 5. Ensure that all on-screen instructions have been complied with, then press the Start button to begin the calibration. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-31...
  • Page 650 This is especially important if something about the airplane has been changed that required a repeat of the Magnetic Calibration Procedure. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-32...
  • Page 651 2. Use the Touch Panel or a Move Selector Knob to make the desired changes. 3. Press the Back key to return to the Configuration Mode page when finished (if desired). Figure 34-6 AOA Configuration Page 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-33...
  • Page 652 MEDIUM ANGLE OF ATTACK EXCESSIVE ANGLE OF ATTACK Air Flow is Broken. No Lift to Sustain the Airplane. Figure 34-8 Angle of Attack (AOA) Illustration 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-34...
  • Page 653 AOA calibration value and less than the stall warning AOA calibration value (see Figure 34-9). Figure 34-9 Angle of Attack Setup Page 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-35...
  • Page 654 2. Use the Touch Panel or a Move Selector Knob to select the Setup button. 3. Use the Touch Panel or a Move Selector Knob to select the Angle of Attack button. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-36...
  • Page 655 6. Perform the 3 required calibration points (Minimum Visible AOA Calibration, Caution Alert AOA Calibration, Stall Warning AOA Calibration), plus 1 optional calibration point (Approach Target AOA Calibration, if desired) in the following recommended order. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-37...
  • Page 656 2. Follow the onscreen instructions, then press the Start button to begin the calibration. 3. Follow the onscreen instructions, then press the Done button when finished. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-38...
  • Page 657 After calibrating all required AOA points, if the AOA gauge appears too frequently or not frequently enough, the Minimum Visible AOA calibration step can be repeated to set a new value. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-39...
  • Page 658 2. Follow the onscreen instructions, then press the Start button to begin the calibration. 3. Press the Calibrate button when in compliance with the onscreen instructions. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-40...
  • Page 659 After calibrating all required AOA points, if the AOA caution alert and audio warning occur too frequently or not frequently enough, the Caution Alert AOA calibration step can be repeated to set a new value. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-41...
  • Page 660 2. Follow the onscreen instructions, then press the Start button to begin the calibration. 3. Press the Done button when in compliance with the onscreen instructions. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-42...
  • Page 661 6. If desired, proceed to Approach Target AOA Calibration (Optional). If the Approach Target AOA Calibration procedure is not desired, the AOA Calibration Procedure is complete. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-43...
  • Page 662 2. Follow the onscreen instructions, then press the Start button to begin the calibration. 3. Press the Calibrate button when in compliance with the onscreen instructions. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-44...
  • Page 663 4. Verify that the calibration is successful, then press the Done button when finished. 5. This completes the AOA calibration procedure. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-45...
  • Page 664 4. Select Yes or No to restore default settings. Press the Back key to return to the Configuration Mode page when finished (if desired). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-46...
  • Page 665 NOTE The following post installation checkout must be followed after every completed installation. These steps should be followed when using a Garmin mounting kit or non- Garmin mounting parts to install the GSA 28. After mounting the GSA 28, please complete the following steps prior to completing the first flight with the GSA 28.
  • Page 666 A larger number will cause the pitch servo to more aggressively control the aircraft, and a smaller number will cause the pitch servo to less aggressively control the aircraft. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-48...
  • Page 667 A larger number will cause the yaw servo to more aggressively control the aircraft, and a smaller number will cause the yaw servo to less aggressively control the aircraft. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-49...
  • Page 668 Step by Step On-Ground Setup Servo Wiring Checkout The first phase of setting up the Garmin autopilot system is to verify the proper wiring of the GSA 28 servos while on the ground. 1. If the installation is a 1-axis (roll only) autopilot, use the LRU page in configuration mode on the PFD to configure the “Autopilot Servos”...
  • Page 669 The system will compare the CWS/DISCONNECT INPUT from all servos, press and hold the autopilot disconnect button for at least 5 seconds to verify there are no SYNC faults. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-51...
  • Page 670 Use the aileron trim switch to input a roll right TRIM command. Verify the aileron trim switch properly moves for roll right trim. Verify the Roll servo is properly indicating ROLL RIGHT trim activity. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-52...
  • Page 671 If the aileron trim response is reversed, go to the Autopilot Configuration page and change the Roll Servo Direction to Reverse, then repeat step all of step 6. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-53...
  • Page 672 Finally, verify the electric trim motor responds in the proper directions by pressing the Test Trim Movement button, then using the Trim Roll Left and Trim Roll Right buttons on the Autopilot Configuration page. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-54...
  • Page 673 Use the elevator trim switch to input a nose up TRIM command. Verify the elevator trim switch properly moves for nose up trim. Verify the Pitch servo is properly indicating NOSE UP trim activity. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-55...
  • Page 674 If the elevator trim response is reversed, go to the Auto Configuration page and change the Pitch Servo Direction to Reverse, then repeat step all of step 7. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-56...
  • Page 675 Finally, verify the electric trim motor responds in the proper directions using the Trim Pitch Up and Trim Pitch Down buttons on the Autopilot Configuration page. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-57...
  • Page 676 Use the rudder trim switch to input a yaw right TRIM command. Verify the rudder trim switch properly moves for yaw left trim. Verify the Yaw servo is properly indicating YAW RIGHT trim activity. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-58...
  • Page 677 If the rudder trim response is reversed, go to the Autopilot Configuration page and change the Yaw Damper Servo Direction to Reverse, then repeat step all of step 8. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-59...
  • Page 678 Finally, verify the electric trim motor responds in the proper directions using the Trim Yaw Left and Trim Yaw Right buttons on the Autopilot Configuration page. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-60...
  • Page 679 BANK LEFT BANK RIGHT Figure 34-16 Reversed Roll Servo Direction 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-61...
  • Page 680 NOSE DOWN NOSE UP Figure 34-18 Reversed Pitch Servo Direction 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-62...
  • Page 681 NOSE LEFT NOSE RIGHT Figure 34-20 Reversed Yaw Damper Direction 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-63...
  • Page 682 The min airspeed limit should be set above the stall speed of the aircraft with some margin. b) The max airspeed limit should be set below the never exceed speed of the aircraft with some margin. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-64...
  • Page 683 34.4.8.4 Autopilot Setup The next phase of setting up the Garmin autopilot system is to verify the proper functionality of the autopilot system on the ground in normal mode. This phase of the checkout requires a valid aircraft heading and pitch output from the ADAHRS. This means the post installation procedures must have already been completed on the ADAHRS before performing the on ground autopilot normal mode checkout.
  • Page 684 10. Verify the stick properly moves toward the tail and toward the right wing smoothly with no control system binding. Figure 34-23 Nose Up, Right Bank 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-66...
  • Page 685 Press the MENU key two times on the GDU to enter the MAIN MENU page. b) Press the Setup button. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-67...
  • Page 686 If the audio output of the G3X system is connected to the aircraft audio system, verify the pilot hears an autopilot disconnect tone when disconnecting the autopilot. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-68...
  • Page 687 Yaw Damper Setup The next phase of setting up the Garmin autopilot system is to verify the proper functionality of the yaw damper system on the ground in normal mode. This phase of the checkout requires a valid output from the ADAHRS.
  • Page 688 Press the MENU key two times on the GDU to enter the Main Menu page. b) Press the Setup button. c) Press the Autopilot button. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-70...
  • Page 689 If the audio output of the G3X system is connected to the aircraft audio system, verify the pilot hears an autopilot disconnect tone when disconnecting the autopilot. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-71...
  • Page 690 34.4.8.6 Step By Step In-Air Autopilot Setup The next phase of setting up the Garmin autopilot system is to verify and tune the proper functionality of the autopilot system in the air. WARNING This stage of the flight test involves allowing the GSA 28 autopilot servos to manipulate the flight control surfaces of the aircraft.
  • Page 691 See preceding note to access the expert settings. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-73...
  • Page 692 Press the MENU key two times on the GDU to enter the Main Menu page. c) Press the Setup button. d) Press the Autopilot button. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-74...
  • Page 693 See preceding note to access the expert settings. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-75...
  • Page 694 4. Set the vertical speed gain lower to make the autopilot less aggressive if the control is too “harsh” or more responsive than desired. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-76...
  • Page 695 See preceding note to access the advanced/expert settings. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-77...
  • Page 696 Yaw Damper Setup The next phase of setting up the Garmin yaw damper system is to verify and tune the proper functionality of the yaw damper system in the air. WARNING This stage of the flight test involves allowing the GSA 28 autopilot servos to manipulate the flight control surfaces of the aircraft.
  • Page 697 1.Press the LVL button on the GMC 30X to engage the AP in LVL mode 2.Press the YD button on the GMC 30X to disengage the YD 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-79...
  • Page 698 Fly a yaw doublet and engage the YD as the ball swings through the center 1.Right foot rudder to swing ball left 2.Left foot rudder to swing ball back right 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-80...
  • Page 699 See preceding note to access the advanced/expert settings. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-81...
  • Page 700 34.4.8.7 In Air Setup The next phase of setting up the Garmin GSA 28 based trim control system is to verify and set the proper functionality of the trim system in the air. WARNING This stage of the flight test involves allowing the GSA 28 autopilot servos to manipulate the flight control surfaces of the aircraft.
  • Page 701 Trim aircraft using manual electric trim inputs ii. Trim response should not be overly slow iii. Trim response should not be overly fast 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-83...
  • Page 702 GMC 30X AP button or the softkeys on the PFD display. Figure 34-26 General Autopilot Configuration Page 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-84...
  • Page 703 (configuration mode only) The Trim Motor Control should be disabled if the GSA 28 roll servo was not connected to an auxiliary trim motor. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-85...
  • Page 704 If the installer notices the aircraft doing very small oscillations, the Fine Adjust Time and Fine Adjust Amount can be used to correct this. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-86...
  • Page 705 Figure 34-27 Roll Servo Autopilot Configuration Page Figure 34-28 Trim Configuration Page 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-87...
  • Page 706 The Trim Motor Control should be disabled if the GSA 28 pitch servo was not connected to an auxiliary trim motor. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-88...
  • Page 707 If the installer notices the aircraft doing very small oscillations, the Fine Adjust Time and Fine Adjust Amount can be used to correct this. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-89...
  • Page 708 Figure 34-29 Pitch Servo Autopilot Configuration Page 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-90...
  • Page 709 The Trim Motor Control should be disabled if the GSA 28 yaw damper servo was not connected to an auxiliary trim motor. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-91...
  • Page 710 Accel Filter Constant is an expert level setting, and should generally be not be changed by the installer, the default value is 0.16. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-92...
  • Page 711 Figure 34-30 Yaw Damper Autopilot Configuration Page 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-93...
  • Page 712 The Airspeed Accel Gain should be increased if the aircraft is appears to back off from the desired airspeed target when closing on the bug. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-94...
  • Page 713 The Airspeed Track Gain should be decreased if the aircraft is overly aggressive while tracking airspeed when the airspeed error is less than 5 knots. Figure 34-31 Pitch Gain Autopilot Configuration Page 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-95...
  • Page 714 The default value for both settings is 5 degrees. These fields will appear only if a discrete input is configured for the AFCS TO/GA function. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-96...
  • Page 715 Mode, moving the pitch wheel on the GMC 30X, or the on-screen buttons results in a change to VS mode for a climb or descent to a new altitude. See the G3X Touch Pilot's Guide for further details. Figure 34-33 Default Vertical Speed...
  • Page 716 See the G3X Touch Pilot’s Guide (190-01754-00) for details of ESP operation. ESP is configured on the Electronic Stability Configuration page in Configuration Mode per the following procedure.
  • Page 717 Level Mode to bring the aircraft into level flight if ESP has been engaged for more than 15 seconds of a 30 second time period. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-99...
  • Page 718 NOTE Ensure basic autopilot functionality is properly adjusted before enabling trim control for any servo. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-100...
  • Page 719 Servo column are also available from the Autopilot Configuration Page. Changing the settings from either configuration page has the same effect on trim direction 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-101...
  • Page 720 1. Go to the AP pages in configuration mode and enable the Trim Motor Control for all servos that are connected to auxiliary trim motors. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-102...
  • Page 721 Recommend setting the slowest motor speed to 25% (will be adjusted later in flight) 3. Re-verify proper trim movement in described in Section 34.4.8.3 Steps 6, 7, & 8. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-103...
  • Page 722 Figure 34-35 Trim Configuration Page 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-104...
  • Page 723 Automatic flap movement is not supported in configuration mode. Hold the flap switch for 1 second or longer to perform manual flap movement. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-105...
  • Page 724 G-Meter to appear in place of the HSI when G-loads on the aircraft exceed a fixed threshold (setting Auto Display to Off disables Auto Display of the G-Meter). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-106...
  • Page 725 VNE has been entered as 205 knots indicated airspeed. The aircraft is below the never-exceed speed any time its indicated airspeed is below 205 knots. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-107...
  • Page 726 Mach limit even if its indicated airspeed is below the normal indicated VNE "red line". The second red band on the PFD airspeed tape alerts the pilot to this condition. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-108...
  • Page 727 2. Use the Touch Panel or a Move Selector Knob to select the desired configurable item and make the desired change. 3. Enter data (where applicable) using the Keyboard (Section 34.4.1) or Slider Bar (Section 34.4.2). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-109...
  • Page 728 5. To edit or delete a station, press the Edit Button. 6. Press the Back key to return to the Configuration Mode page when finished (if desired). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-110...
  • Page 729 2. Use the Touch Panel or a Move Selector Knob to select the desired configurable item and make the desired change. 3. Press the Back key to return to the Configuration Mode page when finished (if desired). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-111...
  • Page 730 (in normal mode) lists the setting as PFD Startup Mode. Selecting any setting other than User Selected disallows the selection of PFD Startup Mode on the Display Setup page. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-112...
  • Page 731 PFD HSI Orientation–Allows setting the PFD HSI Orientation to either Heading or User Selected (default). The Heading selection displays the HSI (on the PFD) in a heading-up orientation. The User Selected setting enables an HSI Orientation option on the PFD Setup page, see the G3X Touch Pilot’s Guide (190-0174-00) for more info.
  • Page 732 (X) axis. The graph changes according to the auto backlight control settings, and the lighting bus voltage. Input Level–Displays the current lighting bus voltage Backlight Level–Displays the current backlight level (0-100%) 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-114...
  • Page 733 Backlight Level of 100%. If the value is set to 0 V, the value will be ignored and the display brightness will remain at the Lighting Bus Min level for any input level between 0 V and the Min Brightness level. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-115...
  • Page 734 Traffic N/A Alert–Enables/disables Traffic Not Available alerts AOA Alert–Enables/disables AOA Alert tone Altitude Alert–Enables/disables the Altitude Alert tone Minimums Alert–Enables/disables the Altitude Minimums tone 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-116...
  • Page 735 Alert Output–If set to Mono & Stereo, alert tones and messages will be output on both the mono and stereo outputs. If set to Mono Only, alert tones and messages will be output only on the mono output. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-117...
  • Page 736 Use the Touch Panel or a Move Selector Knob to select the desired RS-232 channel, the optional settings are: Garmin Data Transfer - The proprietary format used to exchange data with a PC or a GDL 39 Garmin Instrument Data - Used for connecting to compatible Garmin LRUs (e.g. GSU 25, GMC 30X) GTN Connext 2 - Used for connecting a GDU 4XX display to a GTN 6XX/7XX for performing Connext functions, such as flight plan transfer.
  • Page 737 Fast (every second): GPBOD, GPRMB, GPRMC, PGRMH, PGRMZ Normal (every two seconds): GPAPB, GPBOD, BPBWC, GPGGA, GPGLL, GPGSA, GPGSV,GPRMB, GPRMC, GPRTE, GPVTG, GPWPL, GPXTE, PGRME, PGRMH, PGRMM, PGRMZ 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-119...
  • Page 738 Aviation In - The proprietary format used for input to the G3X (baud rate of 9600) from an FAA certified Garmin panel mount unit. Allows the G3X to display a Go To or route selected on the panel mount unit, which eliminates the need to enter the destination on both units.
  • Page 739 Vertical Power – A 3rd party LRU that integrates with the G3X to monitor and control the entire electrical system via the GDU. CO Detector - Receives data from a third-party carbon monoxide detector. Refer to the G3X Touch Pilot’s Guide for further information.
  • Page 740 (accessed by pressing the Menu key) is used to determine if the EFIS/Airdata output is addressed to NAV 1, NAV 2, or both (NAV 1+ 2). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-122...
  • Page 741 377 Equipment ID ARINC 429 Inputs: Garmin GPS–Receives GPS labels from a panel-mount GPS navigator (GTN/GNS). A second selection is used to determine if the GPS input is from NAV 1 or NAV 2. Garmin VOR/ILS–Receives VOR/ILS labels from a panel-mount GPS navigator (GTN/GNS) with VOR/ILS NAV receiver.
  • Page 742 (disabled), or if the system should always return to using the configured external GPS nav source at powerup (enabled). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-124...
  • Page 743 1. Power on the unit in configuration mode and use the Touch Panel or a Move Selector Knob to view GPS Status on the System Information Page. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-125...
  • Page 744 GPS Status may also be monitored on the Info page in normal mode. The signal strength bars are a real-time representation of GPS signal strength, which may be useful for troubleshooting a failed COM interference test. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-126...
  • Page 745 None if on-screen radio control for a particular radio is not desired or no radio is installed. Network Radio LRU 1 and Network Radio LRU 2 settings support Garmin radio LRUs that are connected via the CAN bus, (GTR 20 and GTR 200) see Table 34-14.
  • Page 746 MON Mode On Swap - Setting to Preserve MON will keep the Monitor feature ON when pressing the Frequency Transfer Key. Setting to Disable MON will turn off the Monitor feature when the Frequency Transfer Key is pressed. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-128...
  • Page 747 AUX 1/2 Mutes Music - These settings when enabled, will mute the music input if AUX1 or AUX2 input levels are sufficient to break aux squelch. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-129...
  • Page 748 Mode S Address Type. Flight ID: If flight ID Mode is set to Other, this field appears to allow entry of Flight ID. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-130...
  • Page 749 BDS information) items that are marked “ES Enabled Units Only” are not active (no extended squitter). When ADS-B is set to PILOT SET, ADS-B transmissions are active at power-on. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-131...
  • Page 750 3. Enter data (where applicable) using the Keyboard (Section 34.4.1) or Slider Bar (Section 34.4.2). Press the Back key to return to the Configuration Mode page when finished (if desired). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-132...
  • Page 751 These files can be opened in Excel, or imported into Google Earth for viewing using the Garmin Flight Log Conversion tool. The tool and instructions needed to import the files into Google Earth are available from the G3X Product Page found on the Garmin website www.garmin.com.
  • Page 752 (Section 34.4.1) or Slider Bar (Section 34.4.2). 5. Press the Back key to return to the Configuration Mode page when finished (if desired). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-134...
  • Page 753 Other gauges will be displayed as space permits based on a pre-defined priority and user selections. Refer Section 34.4.26.3 for information about configuring the visibility of optional gauges on the EIS display. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-135...
  • Page 754 EIS LRU type (GEA 24, Figure 34-38 or GSU 73, Figure 34-41) will be displayed. Figure 34-38 GEA 24 Engine/Airframe Input Configuration Page Figure 34-39 GAD 27 Engine/Airframe Input Configuration Page 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-136...
  • Page 755 EIS configuration values. See Section calibration information, Engine Time Configuration, and Total Airframe Time Configuration information. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-137...
  • Page 756 Yellow Line Red Line Gauge Display Range – The Gauge Display Range allows for setting the minimum and maximum values of each gauge. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-138...
  • Page 757 If a particular gauge is not visible on the EIS display, other gauges may be set to "Hide" in order to allow the desired gauge to appear instead. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-139...
  • Page 758 EIS LRU #1 only. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-140...
  • Page 759 This can be avoided by entering calibration points that exceed the expected input range. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-141...
  • Page 760 Section 25 for supported digital signal characteristics. NOTE The Sandia ST26 tach converter is required to support turbine engine RPM. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-142...
  • Page 761 The GEA 24 can be configured to monitor oil pressure data from the following FADEC FADEC: interfaces: • Rotax (912iS/915iS) • Lycoming (iE2) • ULPower 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-143...
  • Page 762 12 cylinders for a single engine. In a single-engine application, cylinders 1-6 are connected to CHT 1-6 on EIS LRU #1, and cylinders 7-12 are connected to CHT 1-6 on EIS LRU #2. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-144...
  • Page 763 The GEA 24 can be configured to monitor fuel pressure data from the following FADEC FADEC: interfaces: • Lycoming (iE2) • ULPower 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-145...
  • Page 764 Note: After performing fuel quantity calibration, it is advised to back up the calibration data to an SD card (see Section ). Changing the configuration for a fuel quantity input may reset calibration data. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-146...
  • Page 765 4. Put a known quantity of fuel (e.g. 5.0 gallons) into the empty fuel tank and enter that same amount into the Actual Fuel Quantity field. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-147...
  • Page 766 Write Calibration File – Stores fuel quantity calibration data to a file on the SD card. Calibration data is saved to the /Garmin/cal/ directory on the card. This data storage must be repeated for each calibrated tank (if backup is desired).
  • Page 767 (forward) flow sensor only. The K-factor must be adjusted until the displayed Net Fuel Flow equals the Forward Flow minus the Return Flow (see preceding figure). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-149...
  • Page 768 (10 gallons shown in previous figure) the system will assume that fuel has been added and will pop up a reminder page prompting the pilot to confirm the quantity of fuel on board. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-150...
  • Page 769 Additional bus voltages (more than 2 buses) may be monitored using custom configuration and calibration of general purpose (GP) inputs. See Section 34.4.26.25 for further information. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-151...
  • Page 770 Amps" or "Vertical Power Bus 1 Amps" to use primary bus current data from the Vertical Power unit. Configure Shunt 2 to "Vertical Power Bus 2 Amps" to use secondary bus current data from the Vertical Power unit. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-152...
  • Page 771 If the resulting current value is less than the deadband value, the displayed current will be zero. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-153...
  • Page 772 To calibrate trim/flap position inputs: 1. From the POS input configuration page, press the Calibrate button to display the Calibration Page. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-154...
  • Page 773 (-90° – +90°) or percent (-100% to +100%). To delete a calibration value, highlight the desired data in the list, and press the Delete button. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-155...
  • Page 774 Pavlico P4055-150G pressure sensor is used. The gauge spans from 0 to 108 psi with green, yellow, red , and a red + alert range. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-156...
  • Page 775 For turbine engine applications, the TIT 1 or TIT 2 input can alternatively be configured to monitor a single Turbine Interstate Temperature (ITT) or Turbine Outlet Temperature (TOT). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-157...
  • Page 776 Custom: This option allows the installer to enter up to 8 points of voltage-to-pressure calibration. See pin description in Section 25 for allowable input voltage range. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-158...
  • Page 777 0 to 2000 psi with green, yellow, and red + alert ranges. This example would connect a 0-5V, 0-2000 PSI sensor to the MISC PRESS input. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-159...
  • Page 778 The GEA 24 GP 6 and GP 7 inputs require the LO side of the input to be connected to ground. See Figure 29-2.2 for wiring details. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-160...
  • Page 779 Vertical Power: When using a Vertical Power unit, trim and flap positions will automatically be displayed. Connecting, configuring, and calibrating the POS inputs is not required when the position sensors are connected to a Vertical Power unit. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-161...
  • Page 780 Section 25.5.9 Section 25.14.5.1 for the specific voltage levels used for discrete input sensing on the GEA 24 and GSU 73 (Section 25.1.6). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-162...
  • Page 781 7°C (45°F) and the input is not active. Configure for Active Low when used with the regulated GAP 26 (-20 version). See also GAP 26 Alert Configuration (following). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-163...
  • Page 782 25° C (77° F). If pitot heat is powered off or inoperative, the green "PITOT HEAT" indication will not appear. Figure 34-43 GAP 26 Alert Configuration 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-164...
  • Page 783 7° C (45° F). This configuration provides the same indication as Configuration #2, but hides the pitot temperature alert when flying in warmer weather conditions. Figure 34-45 Configuration #3 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-165...
  • Page 784 Not all FADEC types provide engine power information; some other FADEC types provide general power status (for example, an Economy mode indication) but not a percentage. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-166...
  • Page 785 This is shown as a percentage of maximum throttle position, preceded by a ‘T’. Figure 34-47 Rotax FADEC Throttle Position Display 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-167...
  • Page 786 2. Press the Engine Time Bar. 3. Select Menu, Show Advanced Setting (to enable editing of Engine Time field). 4. Edit Current Hours and Select Save. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-168...
  • Page 787 2. Press the Total Time Bar. 3. Select Menu, Show Advanced Setting (to enable editing of Total Time field). 4. Edit Current Hours and Select Save. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-169...
  • Page 788 RPM difference to be configured. Smaller values for the Maximum Difference field make the propeller sync indicator more sensitive. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-170...
  • Page 789 For example, if the recommended warmup time for a lighting system is 22 seconds, then the 25 second option should be selected. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-171...
  • Page 790 (the plotted line can only go up and to the right). Points that are acceptable by the system are displayed in green. Points that have potential issues are displayed in yellow. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-172...
  • Page 791 Touch Panel or a Move Selector Knob. 2. Press the Back key to return to the Configuration Mode page when finished (if desired). 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-173...
  • Page 792 SanDisk SD Card Reader, P/Ns SDDR-93 or SDDR-99 or equivalent card reader • Updated database obtained from the flyGarmin website • SD Card, 8 GB recommended for GDU 4XX units (Garmin recommends SanDisk® or Toshiba brand). • SDXC cards are not supported.
  • Page 793 6. Once the database(s) have been updated, the SD card can be removed from the unit 7. The unit must be restarted by pressing the Back key. 8. Repeat steps 1-7 for each installed GDU 4XX. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-175...
  • Page 794 The terrain database contains the elevation data which represents the topography of the earth. This database is updated on an “as needed” basis and has no expiration date. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-176...

  • Page 795: Siriusxm® Activation Instructions (Gdu 455/465 Only)

    If the SiriusXM receiver will not receive, an Activation Refresh may resolve the issue. An Activation Refresh may be performed by visiting the link https://care.siriusxm.com/retailrefresh_view.action following the instructions listed there. Visit http://www.siriusxm.com/sxmaviation for SiriusXM weather info. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-177...
  • Page 796 Section 27.2 for wiring the interface connections between GDU 4XX LRUs and any external Garmin units such as the GNS 4XX/5XX, GNS 480, GTN 6XX/7XX, and GTX transponder products. See the Configuration Guidance instructions on the drawings in Section 26.2 Section 27.2...
  • Page 797 4XX Main VOR/LOC/GS 429 Config Page 5XX Main VOR/LOC/GS 429 Config Page NOTE Each output channel can be used to drive up to three RS-232 devices. 190-01115-01 G3X/G3X Touch Install Manual - GDU 4XX Config and Post Install Checkout Rev. AC Page 34-179...
  • Page 798 1. With the GTN turned off (circuit breaker pulled), press and hold the HOME key and reapply power to the GTN (push in the circuit breaker). 2. Release the HOME key when the display activates and the name ‘Garmin’ appears fully lit on the screen.

  • Page 799: Checklist Editor

    34.8 Checklist Editor The Aviation Checklist Editor (ACE) is available for free download from the Garmin website www.garmin.com. Click on the Software link on the G3X product page and follow the on-screen instructions to download the checklist editor software. NOTE The checklist file should be named with a ‘.ace’...

  • Page 800: Section 35 Troubleshooting

    A Garmin Field Service Engineer may ask the technician to download the fault logs to a PC and email the logs back to Garmin to help determine if the condition is caused by a G3X LRU or in the aircraft.

  • Page 801: Can Network Troubleshooting

    If the labels weren’t the cause, determine what brand of SD card was being used (Garmin recommends using SanDisk® brand cards). 35.3.2 Unit Communication Error Messages (Two or Three GDU Systems) Error messages occur if there is a mismatch in GDU software versions.

  • Page 802: Air Data Troubleshooting

    2. Check configuration module wiring for damage, replace if any is found. 3. Replace the GTP 59 OAT probe. 4. If the problem persists, replace the ADAHRS with a known good unit. Figure 35-1 Invalid OAT & TAS Indications 190-01115-01 G3X/G3X Touch Installation Manual - Troubleshooting Rev. AC Page 35-3...

  • Page 803: Engine Indication Troubleshooting

    35.5 Engine Indication Troubleshooting To troubleshoot an Engine Indication failure (Figure 35-3), gather answers to the following questions. This information may be helpful to the installer/pilot, the G3X Dealer, or to Garmin Aviation Product Support in troubleshooting the failure. Figure 35-3 Engine/Airframe Failure Indications (Reversionary or Split-Screen PFD) 1.

  • Page 804: Adahrs Troubleshooting

    If magnetic heading is not present on the GDU, there may be a problem with communication between the ADAHRS and GMU magnetometer. Troubleshoot any possible wiring/connector issues before replacing either unit. 190-01115-01 G3X/G3X Touch Installation Manual - Troubleshooting Rev. AC Page 35-5...
  • Page 805 Figure 35-5 Attitude and Heading Failure Indications (Reversionary or Split-Screen PFD) Prior to troubleshooting an Attitude Failure, gather answers to the following questions. This information may be helpful to the installer/pilot, the G3X Dealer, or to Garmin Aviation Product Support in troubleshooting the failure.

  • Page 806: Post Installation Calibration Procedures

    2. There is not sufficient or valid sensor information being provided to the ADAHRS for it to compute valid attitude information. Garmin product support frequently makes use of information from .csv data log files to assist in troubleshooting ADAHRS issues. Refer to Section 35.9...

  • Page 807: Gsu 73 Data Logging

    35.8.1 Downloading and Installing the GSU 73 Data Logger The GSU 73 Data Logger can be downloaded for free via the G3X product page on the Garmin website www.garmin.com. Download and install the data logger by using the link and following the on-screen prompts.
  • Page 808 5. After the region download process has completed, ‘Recording!’ is displayed and the logging tool begins storing received data in the specified log file. 6. Click on the Stop button to end the data recording session. Figure 35-8 Data Logger, Recording Screen 190-01115-01 G3X/G3X Touch Installation Manual - Troubleshooting Rev. AC Page 35-9...

  • Page 809: Sending Troubleshooting Data To Garmin

    To assist with troubleshooting an issue, it may be helpful to send screenshots and/or .csv log files stored on the SD card to Garmin. This data can be especially useful to troubleshoot autopilot or AHRS related issues. This data can be sent to g3xpert@garmin.com...

  • Page 810: Section 36 Maintenance

    This procedure is recommended when the static system is opened up (i.e. whenever the GSU 25 is removed or replaced). Garmin also recommends that a leak test be performed following any maintenance action in which the pitot or AOA pneumatic lines are opened up (i.e. whenever the GSU 25 is removed or replaced).
  • Page 811 A GSU 73 Field Calibration Tool can be used to adjust the calibration of GSU 73 units that have failed the 14 CFR Part 43 Appendix E tests due to altitude drift. Please contact a local Garmin dealer for more information.
  • Page 812 14 CFR Part 91.413, a special transponder ground maintenance test mode is provided. To access ground maintenance mode in a G3X Touch system with GDU 4XX displays: 1. Access the Transponder page, press the Menu key.

  • Page 813: Return To Service Information

    GDU 4XX). NOTE Do not use a used GDU configuration module as a replacement. Data that may reside on the used configuration module may cause system configuration errors. 190-01115-01 G3X/G3X Touch Installation Manual - Maintenance Rev. AC Page 36-4...
  • Page 814 The correct GSU 73 software version will automatically be loaded from the GDU. If the configuration module is operational, no software configuration is required. Continue to Section 36.2.4. 190-01115-01 G3X/G3X Touch Installation Manual - Maintenance Rev. AC Page 36-5...
  • Page 815 If the GMU is removed, the anti-rotation properties of the mounting screws must be restored. This may be done by replacing the screws with new Garmin P/N 211-60037-08. If original screws must be re-used, coat screw threads with Loctite 242 (blue) thread- locking compound, Garmin P/N 291-00023-02, or equivalent.
  • Page 816 No additional action is required when a GAD 29 is reinstalled or replaced. The correct GAD 29 software version and ARINC 429 configuration will automatically be loaded from the GDU. 36.2.8 GMC 30X No additional action is required when a GMC 30X is reinstalled or replaced. 190-01115-01 G3X/G3X Touch Installation Manual - Maintenance Rev. AC Page 36-7...

  • Page 817: Appendix A Airframe Specific Installation Guidance

    Although the potential magnetometer mounting locations shown in this manual have been tested on appropriate type aircraft, Garmin cannot take into account the wide variation of aircraft specific installations and therefore cannot guarantee the provided locations will work for all installations in a particular aircraft type.

  • Page 818: A.2 Van's Aircraft

    Section 14.4 Section 15.4. A.2.1.1 GMU 22 Mounting Bracket An RV-7/9 GMU 22 Mounting Bracket Kit is available under Garmin part number 011-01796-00, see Figure A-1. The mounting bracket is pre-drilled to ensure proper alignment with the longitudinal (yaw) axis. 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev.
  • Page 819 2. Place the GMU 22 mounting bracket on the F-714 aft deck (see Figure A-2). 3. Slide the GMU 22 mounting bracket forward, ensuring the front edge is against the vertical portion of the F-714 aft deck (see Figure A-2). 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-3...
  • Page 820 Section 14.4 Section 15.4. A.2.3 RV-12/14 Consult Van’s Aircraft for information regarding GMU magnetometer mounting brackets for RV-12/14 aircraft. 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-4...

  • Page 821: A.3 Lancair Aircraft

    It is recommended the wingtip antenna option be omitted from this wingtip to prevent interference with the magnetometer. Figure A-3 Lancair IV/IV-P Right Wingtip GMU 22 Installation 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-5...
  • Page 822 2. Attach the GMU 22 to the Top Bracket Assembly (115-01052-00) using screws (211-60037-08) as shown in Figure A-5. Figure A-5 Lancair IV/IV-P GMU 22 Mounting Bracket 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-6...
  • Page 823 5. Refrain from installing any ferrous metals near the GMU 22, including the mounting screws and nut plates used to attach the wingtip. Stainless steel fasteners are recommended. 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-7...
  • Page 824 The Lancair ES/ES-P uses the G3X generic GMU 22 mount. The mount is comprised of two sheet metal parts, a bottom bracket (Garmin part number 115-00939-00) and a top bracket (Garmin part number 115-01017-00) that holds the GMU 22 mounting plate. The set is purchased as a sub-assembly kit under Garmin part number 011-01779-00.
  • Page 825 5. Rivet the GMU 22 Installation Rack (115-00481-X0) to the Top Bracket Assembly (115-01017-00) as shown in Figure A-9. Figure A-9 GMU 22 Installation Rack (ES/ES-P) 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-9...
  • Page 826 GMU 22 up (plus) from the mounting surface or down (minus) from the mounting surface. Figure A-11 Adjusting for Wing Dihedral 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-10...
  • Page 827 8. Attach the GMU 22 to the GMU 22 Mounting Bracket as illustrated in Figure A-13 using brass screws. Figure A-13 Secure GMU 22 to the Mounting Bracket Assembly 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-11...
  • Page 828 Make sure there is sufficient head room for the pig tail to bend clear of the wing tip. 13. Match drill the Magnetometer Bracket to the wing rib. 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-12...
  • Page 829 The wing tip should also be attached with stainless steel hardware (nut plates and screws). NOTE Never use a magnetic screwdriver to remove or install wingtip hardware. 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-13...
  • Page 830 Figure A-20. MAGNETOMETER SHELF (REF) MAGNETOMETER SHELF (REF) Figure A-20 View Looking AFT At Recommended Magnetometer Location 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-14...
  • Page 831 When aligning the shelf, ensure the shelf remains level to within 3° of the pitch and roll axes. FILL WITH EPOXY/FLOX MIXTURE Figure A-22 Fill Detail For Corner Radii And Magnetometer Shelf 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-15...
  • Page 832 Figure A-24. The alignment of the magnetometer is critical and needs to be within 0.5° of the aircraft’s forward direction. MAGNETOMETER SHELF ELEVATOR CONTROL TUBE Figure A-24 Alignment Of Magnetometer Cutout With Aircraft’s Forward Direction 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-16...
  • Page 833 GMU 22 Magnetometer unit installation. NOTE The GMU 22 Installation Rack must be set, drilled, and installed after the shelf has been mounted in the aircraft and cured. 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-17...
  • Page 834 INSTALLATION RACK MAGNETOMETER SHELF (REF) 3X AN960C6 WASHERS 3X 6-32 STAINLESS NUTS (MS21083C06 OR EQUIVALENT) Figure A-27 Assembly Of GMU 22 Installation Rack To Magnetometer Shelf 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-18...
  • Page 835 8. Install the GMU 22 Magnetometer in the installation rack with the hardware provided as shown in Figure A-28. 211-60037-08 SCREW 6-32 x .25 BRASS (3X) GMU 22 MAGNETOMETER MAGNETOMETER SHELF (REF) Figure A-28 Installation Of GMU 22 Magnetometer 190-01115-01 G3X/G3X Touch Installation Manual - Airframe Specific Installation Guidance Rev. AC Page A-19...

  • Page 836: Appendix B Rs-232 Text Output Format

    Carriage return (0x0D hex) • Line feed (0x0A hex) An exception to the above is the GPS Data message, which is backwards compatible with the Garmin Simple Text Output format described at:http://www8.garmin.com/support/text_out.html. The GPS Data Message has the following general format: •...

  • Page 837: B.4 Attitude/Air Data Message Format

    Outside air 1 degree C temperature Altimeter setting 0.01 inHg offset from 27.50" sum of all previous Checksum ASCII hex bytes CR/LF 0x0D / 0x0A Total length 190-01115-01 G3X/G3X Touch Installation Manual - RS-232 Text Output Format Rev. AC Page B-2...

  • Page 838: B.5 Engine Data Message Format

    -999 +999 CHT2 1 degree C -999 +999 EGT2 1 degree C -999 +999 CHT1 1 degree C -999 +999 EGT1 1 degree C -999 +999 190-01115-01 G3X/G3X Touch Installation Manual - RS-232 Text Output Format Rev. AC Page B-3...
  • Page 839 1 = active, 0 = inactive Discrete input 4 1 = active, 0 = inactive Unused sum of all previous Checksum ASCII hex bytes CR/LF 0x0D / 0x0A Total length 190-01115-01 G3X/G3X Touch Installation Manual - RS-232 Text Output Format Rev. AC Page B-4...

  • Page 840: B.6 Gps Data Message Format

    North/south velocity 'N' for north or 'S' for south direction North/south velocity 0000 9999 magnitude meters/sec Vertical velocity 'U' for up or 'D' for down direction 190-01115-01 G3X/G3X Touch Installation Manual - RS-232 Text Output Format Rev. AC Page B-5...
  • Page 841 Width Units Notes Vertical velocity 0.01 0000 9999 magnitude meters/sec CR/LF 0x0D / 0x0A Total length For more information on the GPS Data message, see http://www8.garmin.com/support/text_out.html 190-01115-01 G3X/G3X Touch Installation Manual - RS-232 Text Output Format Rev. AC Page B-6...

  • Page 842: Appendix C Lru Performance Specifications/Licensing/Compliance

    <10 meters Antenna Power Supply Voltage (4.5 to 5.0), current (50 mA max) C.3.2 Environmental Specifications The GDU 37X has an Operating Temperature Range of -20°C to +60°C. 190-01115-01 G3X/G3X Touch Installation Manual - LRU Perf Specs/Licensing/Compliance Rev. AC Page C-1...

  • Page 843: C.6 Gmc 305/307

    C.6.1 Environmental Specifications Table C-3 GMC 305/307 Environmental Specification Characteristics Specifications Operating Temperature Range -45°C to +70°C Humidity 95% non-condensing Altitude Range -1,500 ft to 55,000 ft 190-01115-01 G3X/G3X Touch Installation Manual - LRU Perf Specs/Licensing/Compliance Rev. AC Page C-2...
  • Page 844 Table C-6 lists general environmental specifications. Table C-6 GSA 28 Environmental Specifications Characteristic Specification Aircraft Pressure Altitude Range -1,400 feet to 30,000 Feet Unit Operating Temperature Range -45°C to +70°C 190-01115-01 G3X/G3X Touch Installation Manual - LRU Perf Specs/Licensing/Compliance Rev. AC Page C-3...
  • Page 845 5. North of 70° North latitude between longitude 85° E and 114° E (Northern Russia) 6. South of 55° South latitude between longitude 120° E and 165° E (Region South of Australia and New Zealand) 190-01115-01 G3X/G3X Touch Installation Manual - LRU Perf Specs/Licensing/Compliance Rev. AC Page C-4...
  • Page 846 5. North of 70° North latitude between longitude 85° E and 114° E (Northern Russia) 6. South of 55° South latitude between longitude 120° E and 165° E (Region South of Australia and New Zealand) 190-01115-01 G3X/G3X Touch Installation Manual - LRU Perf Specs/Licensing/Compliance Rev. AC Page C-5...
  • Page 847 Table C-11 TSO/ETSO Deviations for the GTP 59 TSO/ETSO Deviation 1. Garmin was granted a deviation from TSO-C106 to use RTCA DO-160D, including changes 1, 2, and 3, instead of RTCA DO-160B as the standard for Environmental Conditions and Test Procedures for Airborne Equipment.

  • Page 848: C.13 Gtr 20/200

    (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. 190-01115-01 G3X/G3X Touch Installation Manual - LRU Perf Specs/Licensing/Compliance Rev. AC Page C-7...

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