Garmin MX20 Installation Manual
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Garmin MX20 Installation Manual

Garmin MX20 Installation Manual

Multi-function display
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MX20
Multi-Function Display
August 2006
560-1025-09 Rev E

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  • Page 1 MX20 Multi-Function Display August 2006 560-1025-09 Rev E...
  • Page 2 (other than certification agencies, such as the FAA) of such changes or improvements. Garmin , Garmin AT , and GNS are trademarks of Garmin Ltd. or its subsidiaries. These trademarks may not be used without the express permission of Garmin.
  • Page 3 (3.3.2), filter bandwidth (3.3.1, 3.3.2), heli vibration levels (Table 7-1). RDERING NFORMATION To receive additional copies of this publication, order part # 140-0059-000 Rev J or later, MX20 Product CD, which includes the 560-1025-09 Rev E, MX20 Multi-Function Display Installation Manual. THER UBLICATIONS MX20 Pilot’s Guide*, P/N 560-1026-( )
  • Page 4 MX20. > If you use the MX20 to access or utilize the services or functionality of Microsoft Windows Server products (such as Microsoft Windows Server 2003), or use the MX20 to permit workstation or computing...
  • Page 5 MX20, you may not use the SOFTWARE. You may permanently transfer all of your rights under this EULA only as part of a permanent sale or transfer of me MX20, provided you retain no copies of the SOFTWARE. If the SOFTWARE is an upgrade, any transfer must also include all prior versions of the SOFTWARE.
  • Page 6 > End User Proof of License. If you acquired the SOFTWARE on a MX20, or on a compact disc or other media, a genuine Microsoft "Proof of License’”/Certificate of Authenticity label with a genuine copy of the SOFTWARE identifies a licensed copy of the SOFTWARE.

  • Page 7: Table Of Contents

    ..............................17 OWER 2.5.6 ........................17 LECTRICAL NALYSIS 2.5.7 ........................18 AMPLE IRING IAGRAMS ........................25 EIGHT AND ALANCE MX20 & MX20 I/O ..................25 ONFIGURING THE 2.7.1 ........................26 NABLE ISABLE UNCTIONS 2.7.2 ......................... 28 XTERNAL OURCE 2.7.3 MX20 I/O..................29 XTERNAL OURCE FOR THE 2.7.4...
  • Page 8 ........................65 ISPLAY ACKLIGHT ....................65 ITHIUM ATTERY EPLACEMENT ........................65 LTITUDE NCODER ............................65 ANUALS ENVIRONMENTAL QUALIFICATIONS..................67 APPENDIX A - I/O SPECIFICATIONS ....................1 MOVING MAP INPUT .........................1 BINARY NEAREST LIST DATA (WHEN EXTENDED DATA IS ENABLED ONLY)..2 560-1025-09 Rev E MX20 Installation Manual...
  • Page 9 AUDIO ............................2 IST OF ABLES 1-1. I ..................5 ABLE NSTALLATION ACKAGE ONTENTS 2-1. P ..............15 ABLE REFERRED ASIC ONFIGURATIONS 2-2. MX20 I/O D ................16 ABLE ONFIGURATIONS 2-3. U ........................17 ABLE OWER OADS 2-4. U .........................25 ABLE EIGHTS 3-1. U ........................47...

  • Page 10: Preferred

    Table of Contents 2-6. MX20 MX20 I/O C ................10 IGURE ENTER OF RAVITY 2-7. MX20 M ..............11 IGURE OUNTING SSEMBLY IMENSIONS 2-8. MX20 T ............13 IGURE YPICAL ANEL IRING ONNECTIONS 2-9. D ......................14 IGURE OCATION 2-10. P .................15 IGURE REFERRED ESCRIPTION 2-11.

  • Page 11: Introduction

    GWX 68 radar sensor. The GWX 68 must be installed via a separate installation approval. The MX20 must be connected to an external GPS navigation source, such as the Garmin AT GX or CNX-series (or GNS 480), to provide route and flight plan information. The MX20 must be connected to an external serial altitude source to provide terrain awareness information.

  • Page 12: Figure 1-1. Example Of Amx20 System Block Diagram

    Navigation Uncertainty Category (NUC) value to be calculated and transmitted for ADS-B broadcast via the legacy UAT. The MX20 internal GPS data is ignored by the GDL 90 UAT since the GDL 90 UAT has an internal GPS receiver to generate the same data. Legacy UATs are those installed in original Capstone-equipped aircraft.

  • Page 13: Figure 1-2. Example Of Amx20 I/O System Block Diagram

    Photosensor Smart Key Labels Data Card Smart Keys Mounting Screw Display Title Figure 1-3. MX20 Front Panel Description NOTE Earlier versions of the MX20 have a rotary knob to control power and dimming functions. MX20 Installation Manual 560-1025-09 Rev E...

  • Page 14: Regulatory Compliance

    TSO-C151a TAWS sensors listed in Section B.6 Garmin AT has evaluated the MX20 with respect to the guidelines of AC 23-18, Installation of Terrain Awareness and Warning System (TAWS) Approved for Part 23 Airplanes. The MX20 display is not a requirement for Class B TAWS installations.
  • Page 15 ** Pin has a barrel over the contact. Use ITT Cannon tools. Other Required Materials The MX20 equipment is intended for use with standard aviation accessories. See Section 2.3.1 for a list of compatible equipment. The following items are required for the installation:...

  • Page 16: Special Tools Required

    1.7 License Requirements There are no license requirements for the MX20. 1.8 Operating Instructions The MX20 Pilot’s Guide, Garmin AT P/N 560-1026-( ), covers operation and pilot interface. The MX20 Quick Reference Guide is P/N 561-0263-( ). 560-1025-09 Rev E...

  • Page 17: Installation

    The MX20 is designed to mount in the avionics stack in the aircraft instrument panel within view and reach of the pilot. The MX20 must be located where the operator will have easy access to the controls and adequate viewing of the display. The preferred location would minimize pilot head movement when transitioning between looking outside of the flight deck and viewing and operating the MX20.

  • Page 18: Installation

    P/N 310-0429-01, or later FAA approved revision, is recommended for all installations and is required for helicopter installations. The MX20 does not require external cooling. When mounting the MX20, leave a clearance of 1/8 to 1/4 inch between avionics to allow for air circulation.

  • Page 19: Figure 2-3. Sample Gx60 & Mx20 Mounting

    SUPPORT AT THIS POINT 8 PLACES EACH SIDE MAX. REAR VIEW SIDE VIEW Figure 2-3. Sample GX60 & MX20 Mounting Figure 2-4. Alternate MX20 Mounting Configuration NOTE This configuration utilizes an angle bracket along each side of the mounting tube. The installer must consider the structural integrity of the installation as defined in AC43.13.2a Chapter 1.

  • Page 20: Figure 2-5. Mx20 And Mx20 I/O Unit Dimensions

    Side View Rear View Figure 2-5. MX20 and MX20 I/O Unit Dimensions Figure 2-6. MX20 and MX20 I/O Center of Gravity NOTE Use of mounting tube P/N 310-0429-01, or later FAA approved revision, is recommended for all installations and is required for helicopter installations.

  • Page 21: Minimum System Configuration

    2.3.6 Viewing Angle The MX20 shall be located such that the operator will have easy access to the controls and have adequate view of the display. The MX20 may be adequately viewed from the primary pilot’s position...

  • Page 22: Equipment Mounting

    The mounting tube should be flush to the instrument panel and allow sufficient clearance for the back of the bezel of the MX20 to mount flush to the mounting tube. Sufficient clearance must exist in the instrument panel opening to allow ease of insertion and removal of the MX20.
  • Page 23 Edge Guard (3x) RA Coax Plug * GPS Installations Only 37-Pin Wingnut D-Sub See View A GPS Antenna ** I/O Connector not shown Shoulder Bushing (2x) View A Figure 2-8. MX20 Typical Rear Panel Wiring Connections MX20 Installation Manual 560-1025-09 Rev E...

  • Page 24: Electrical Connections

    Installation 2.5 Electrical Connections The MX20 installation kit includes connectors and crimp contacts. Make the crimp connections with a crimp tool as specified in the Special Tools Required section on page 6. Wires should be 20 to 24 AWG for the 37-pin connector and 22-30 AWG for the 62-pin connector, unless otherwise specified. Power and ground wires should be 20 AWG.

  • Page 25: Mx20 Basic Data Port Configuration

    The following table shows the suggested port usage, however note that the software must be configured to match the installed MX20 wiring configuration. Note that only one traffic source may be connected to the MX20 I/O at one time. Only one FIS source may be connected to the MX20 or MX20 I/O at one time.

  • Page 26: Mx20 I/O Data Port Configuration

    The I/O product variation of the MX20 supports an array of additional I/O capabilities on connector J2 as shown below. Note that the hardware connected to the MX20 I/O ports must be connected as shown in Table 2-2, as reconfiguration by software is not available. See the sample wiring diagrams and connector pin outs in section 2.5.7 for detailed connections.

  • Page 27: Data Card

    The power and fuse requirements for each external sensor are described in their respective installation manuals. The MX20 will operate on voltages between 10 and 40 VDC. Install a five amp circuit breaker for a 14 VDC aircraft and a three amp circuit breaker for a 28 VDC aircraft. Use separate wires for the heater and CPU power inputs (see Section 3.2);...

  • Page 28: Sample Wiring Diagrams

    Installation 2.5.7 Sample Wiring Diagrams Figure 2-12. Sample System Wiring Diagram with UAT (Internal GPS Version) 560-1025-09 Rev E MX20 Installation Manual...
  • Page 29 Installation Figure 2-13. Sample System Wiring Diagram with WX500 or GDL 90 UAT (No Internal GPS Version) MX20 Installation Manual 560-1025-09 Rev E...
  • Page 30 Installation Figure 2-14. Sample System Wiring Diagram for TCAD and Stormscope 560-1025-09 Rev E MX20 Installation Manual...
  • Page 31 Installation Figure 2-15. Sample System Wiring Diagram I/O model with Radar, L-3 (Goodrich) SkyWatch, GDL 69/69A and WSI InFlight Receiver MX20 Installation Manual 560-1025-09 Rev E...
  • Page 32 Installation Figure 2-16. Sample System Wiring Diagram of MX20 I/O with Landmark TAWS 560-1025-09 Rev E MX20 Installation Manual...
  • Page 33 Installation Figure 2-17. Sample System Wiring Diagram of MX20 I/O with Garmin GTX330 MX20 Installation Manual 560-1025-09 Rev E...
  • Page 34 Installation Figure 2-18. Sample System Wiring Diagram of MX20 I/O with KGP-560 Figure 2-19. Sample Wiring Diagram - MX20 I/O with KMH 820 IHAS 560-1025-09 Rev E MX20 Installation Manual...

  • Page 35: Weight And Balance

    (where 1 is the top line select key, 4 is the fourth key down, and 6 is the lower most line select key). If other keys are pressed before or during this sequence, the MX20 will be in the normal operational mode. To enter the install mode, turn off the MX20 and start again at step 1.

  • Page 36: Enable/Disable Functions

    You may continue to make configuration changes without pausing; however, do not turn off power to the MX20 until waiting 30 seconds after the last configuration/ setting change. The message will disappear when it is safe to cycle power.
  • Page 37 Enable Radar only if a unit is an I/O model and interfaced to a radar unit. 4. A typical installation will have all functions enabled except those noted above based on what hardware is installed in the aircraft. MX20 Installation Manual 560-1025-09 Rev E...

  • Page 38: External Data Source

    GX model or CNX-series (or GNS 480) unit is connected to (such as Port 1 in the example shown below). When the MX20 is connected to a CNX-series (or GNS 480) navigator with an internal NAV receiver, the NAV Data Source on the MX20 must be set to NONE.

  • Page 39: External Data Source For The Mx20 I/O

    (when an additional display such as the WX1000 is being used), select the + DISP option. If the MX20 is wired to drive the SkyWatch discrete inputs, select just the basic TAS model without the + DISP option. Using the +DISP option indicates that an external display is responsible for driving the discrete inputs and the corresponding MX20 controls will be disabled on the MX20 Traffic page.

  • Page 40: Miscellaneous Setup Options

    1. Press the MISC smart key while still in the INSTL function. 2. Ensure the Misc Setup Options pages of the MX20 are configured with respect to the aircraft it is being installed in. Modifications can be made using the line select keys.
  • Page 41 The ICAO information entered on the MX20 is not used by the GDL 90, but should match the ICAO information entered into the GDL 90 Aircraft Personality Module (APM). When connected to a GDL 90, the MX20 will display the ICAO information received from the GDL 90.

  • Page 42: Configuring The Kmh 820 Ihas For The Mx20

    The message will disappear when it is safe to cycle power. 2.8 Configuring the KMH 820 IHAS for the MX20 Figure 2-19 shows the connections between the MX20 display and the KMH 820 IHAS. To work properly with the MX20, the KMH 820 IHAS must be configured as described below.

  • Page 43: Mx20 Post Installation Checkout

    1. Turn on power to the MX20 and the external data sources. Activate the Installation Mode (see section 2.7). 2. Verify that the MX20 data ports are configured properly. See sections 2.5.1 and 2.5.2 for details on the data port configuration. See section 2.7 for information on configuring the MX20 in Installation Mode.
  • Page 44 MX20, i.e., the GX should be configured to output Moving Map data. If the altitude data is supplied from a GX model unit, it must have extended mode enabled. 5. Check the System Info page on the MX20 to verify that the data is available to each port and that it is being processed properly.
  • Page 45 Installation 2.9.3.1 EMI/RFI Test This test validates that interference does not exist between the MX20 and other systems on the aircraft. Turn off the power to all avionics devices. 2.9.3.2 Test without MX20 1. Start the aircraft engine(s) and switch to engine power, as appropriate.

  • Page 46: Altitude Test

    1. Turn on power to the MX20. 2. Turn on the power to each avionics system. Observe for proper operation of the MX20 and the other avionics systems. ____ Transponder (if equipped)

  • Page 47: Stormscope Interface Test

    Traffic Function by pressing the FN key until the TRAF menu option is available and press the corresponding traffic smart key. 2. If the TRAF function is not available, verify that the MX20 is an I/O model and that the traffic function has been enabled as described in previous sections.
  • Page 48 Press the line key next to “RADAR INDICATOR” until the desired selection is shown. The choices are 1, 2 or All. Select All if the MX20 is the only display device connected to the ART. If more than one display device is connected to the ART, select 1 or 2, depending on which port on the ART is connected to the MX20 (See Figure 2-14 on page 22).
  • Page 49 Configuring the MX20 First configure the MX20 for the GWX 68 option. Do this in the normal way by entering the install key sequence (1, 4, 6) on the menu keys after boot-up is complete. Then press the FN key until the INSTL smart key appears.
  • Page 50 Installation 9. The MX20 will flash all faults briefly to indicate calibration mode has been entered. If this fails, turn power off and on and repeat the procedure. 2.9.9.2.2.1 Calibration of Analog Stabilization Inputs When in Calibration mode, the MX20 is ready to calibrate the stabilization inputs. Each parameter can be calibrated as described in the sections below.
  • Page 51 This procedure must be performed in flight with an operational, transmitting radar. This procedure should be performed over flat terrain or water if possible. 1. Turn the MX20 on. 2. After boot-up is complete, key-in the install sequence 1, 4, 6, on the smart keys.
  • Page 52 Press the line key next to “RADAR INDICATOR” until the desired selection is shown. The choices are 1, 2 or All. This number corresponds to the port number on the ART that is connected to the MX20. After selection, wait 30 seconds then turn the power off and on again.
  • Page 53 Radar Function by pressing the FN key until the RADAR menu option is available. Then, press the corresponding RADAR "smart key." (If the Radar Function is not available, verify that the MX20 is an I/O model and that the radar function has been enabled as described in previous sections).

  • Page 54: Landmark Taws8000 And Kgp560 Checkout Procedure

    When in ON mode, the radar antenna will be radiating. If the MX20 radar function is not in standby mode, place it in standby mode by pressing the STBY line item. Once in standby, press the ON line item (same key as STBY). The unit is now in “WX” mode.

  • Page 55: Garmin Gtx330 Checkout Procedure

    Terrain Function by pressing the FN key until the TER menu option is available and press the corresponding terrain smart key. 2. If the TER function is not available, verify that the MX20 is an I/O model and that the terrain function has been enabled as described in previous sections.

  • Page 56: Garmin At Gdl 69/69A Checkout Procedure

    United States. 1. Turn on the power to the MX20 and the GDL 69/69A receiver. 2. After the MX20 performs its self-tests, enter the FIS function by pressing the FN key until the FIS function is available.

  • Page 57: Specifications

    Specifications 3 Specifications This section includes detailed electrical, physical, environmental, and performance specifications for the MX20. 3.1 MX20 Features 3.1.1 Display 6" Diagonal, Color AMLCD Display 640x480 Resolution (921,600 RGB Dots) 65,535 Simultaneous Colors Direct Sunlight Readable Auto/Manual Dimming 3.1.2 User Interface Back-lit, high tactile buttons Six general purpose "line select keys"...

  • Page 58: Avionics Outputs

    MX20) Garmin AT GDL 69/69A (FIS) (Only one radar source may be connected to WSI InFlight AV-200 (FIS) the MX20) (MX20 will communicate at 38,400 baud) Garmin GWX 68 Radar (MX20 I/O Model Only) 560-1025-09 Rev E MX20 Installation Manual...

  • Page 59: Physical Specifications

    Allied Signal RS-181A (King P/N 071-1315-00; Bendix/King P/N 3614077-8101) (MX20 I/O Model Only) L-3 (Goodrich) WX500 Terrain TAWS Source........L-3 (Goodrich) Landmark TAWS 8000 (MX20 I/O Model (Only one TAWS source may be Only) connected to the MX20) Honeywell KGP-560 EGPWS(MX20 I/O Model Only) Honeywell KMH 820 (MX20 I/O Model Only) Audio Source...........Garmin AT GDL 69A with XM Satellite Radio...

  • Page 60: Tso Authorizations

    Specifications 3.1.13 TSO Authorizations The MX20 meets the following TSO authorizations when connected to the following units: Table 3-3. TSO Authorizations JTSO Manufacturer and Model Part Number JTSO 2C63c TSO C63c Bendix King ART2000 071-01519-0101 Bendix King ART2100 071-01550-0101 Bendix RS-181A...

  • Page 61: Weather Radar And Functions

    Reacquisition ..........2.5 seconds typical Position update interval ........1 second typical Datum..............WGS-84 3.1.15 Weather Radar and Functions Table 3-4 shows which radar sensors and radar functions are supported by the MX20. Table 3-4. Radar Sensors and Supported Radar Functions GWX 68 RS-181A...

  • Page 62: Rear Connector Pin Outs

    Specifications 3.2 Rear Connector Pin Outs Table 3-5. MX20 Rear Panel Connector Pin Out (J1) Pin # Name Comment Power + Main Aircraft Power Input (+10 to +30 VDC) Power ground Main Aircraft Power Ground Port 2 GND RS-232 Port 1 IN...

  • Page 63: Mx20 I/O Connector Pin Out (J2)

    Specifications Table 3-6. MX20 I/O Connector Pin Out (J2) Some features listed are not supported at this time Name Description SYNCHRO_0_X Reserved SYNCHRO_0_Z SYNCHRO_0/1_REF_LO SYNCHRO_1_X DISCRETE_OUT_0 Discrete Output number 0 DISCRETE_OUT_1 Discrete Output number 1 DISCRETE_OUT_2 Discrete Output number 2...

  • Page 64: Antenna

    Specifications Table 3-5 - MX20 I/O Connector Pin Out (J2) (Cont’d) Some features listed are not supported at this time Name Description DISCRETE_IN_1 +28V 429_OUT_1A ARINC 429 Output port 1A 429_OUT_1B ARINC 429 Output port 1B 561_CLK_IN_B Reserved 561_CLK_IN_A 561_SYNC_IN_B...

  • Page 65: A-34 (590-1112)

    VSWR (Dry): ......< 1.5:1 VSWR (Rain):.......< 2.0:1 Band Rejection: ....35 dB Power Handling: ....1 Watt Voltage:.........5 VDC ±10% Current: .........35 mA nominal, 40 mA max L1 Filter Bandwidth....1575 ±10 MHz (3 dB) +110, -210 MHz (60dB) MX20 Installation Manual 560-1025-09 Rev E...
  • Page 66 Specifications OTES 560-1025-09 Rev E MX20 Installation Manual...

  • Page 67: Limitations

    Part 43 or the applicable airworthiness requirements. If it is necessary to move any required instrumentation in an instrument panel to make room for the MX20, although the physical mounting of the MX20 is covered within this installation manual, the relocation of these instruments is beyond the scope of the STC.

  • Page 68: Radar Sensor

    Limitations 4.7 Radar Sensor Only one radar sensor may be connected to the MX20. Refer to Section 3.1.10 for a list of compatible sensors. 4.8 TAWS Sensor Only one TAWS sensor may be connected to the MX20. Refer to Section 3.1.10 for a list of compatible sensors.

  • Page 69: Troubleshooting

    1. Improper wiring; circuit breaker 1. Ensure power is properly wired to screen. open. the MX20 and the circuit breaker is closed. 2. Unit intensity turned down. 2. Ensure that unit is not in manual intensity control mode with the intensity turned down.
  • Page 70 The terrain database is indicated on the power-up and system status pages of the MX20. 2. Invalid altitude supplied to unit. 2. Ensure that valid altitude is being supplied to the unit (an ALT data flag should not be present).
  • Page 71 5. Verify 453/708, 429 and discrete wiring and pin connections. Unit shows XM data flag 1. Unit is not GDL 69/69A capable. 1. Ensure that the model MX20 is GDL 69/69A capable. 2. Data port configuration incorrect. 2. Ensure that the data port configuration is correct and the GDL 69/69A is set correctly.
  • Page 72 Cause Solution Unit shows LINK data flag. 1. Unit is not WSI sensor capable. 1. Ensure that the model MX20 is WSI sensor capable. 2. Data port configuration incorrect 2. Ensure that the data port configuration is correct and the WSI sensor is set correctly.
  • Page 73 Problem Cause Solution Unit shows XPDR data flag. 1. Unit is not GTX330 capable. 1. Ensure that the model MX20 is GTX330 capable. 2. Data port configured incorrectly. 2. Ensure that the data port configuration is correct and the GTX330 is set correctly.

  • Page 74: Integration Troubleshooting Procedure

    1. Remove power to all external data sources and power on just the MX20. 2. Verify the correct power up sequence and access to the different functions of the MX20. 3. Verify that amber data flags are presented and own-ship is ‘X’d, indicating that external data sources are not available.

  • Page 75: Continued Airworthiness Instructions

    The display backlighting is rated by the manufacturer as having a usable life of over 10,000 hours. This life may be more or less than the rated time depending on the operating conditions of the MX20. Over time, the backlighting may dim and the display may not perform as well in direct sunlight conditions. The user must determine by observation when the display brightness is not suitable for its intended use.
  • Page 76 Continued Airworthiness Instructions OTES MX20 Installation Manual...

  • Page 77: Environmental Qualifications

    Environmental Qualifications 7 Environmental Qualifications The MX20 has been tested to the following environmental categories per procedures defined in RTCA/DO-160D. Table 7-1. Environmental Qualification Form Part No: 430-0270-0( ) 430-0270-5( ) 430-0270-6( ) 430-0270-7( ) 430-0270-8( ) 430-0270-9( ) TSO/-JTSO...
  • Page 78 Environmental Qualifications OTES MX20 Installation Manual...

  • Page 79: Appendix A - I/O Specifications

    = degrees x 10 ---A----- Warnings: The 4th character will be an “A” when the navigation data is flagged, otherwise, all characters will be dashed. All other navigation data will be dashed when it is flagged. MX20 Installation Manual 560-1025-09 Rev E...

  • Page 80: Binary Nearest List Data (When Extended Data Is Enabled Only)

    = 0 East longitude, 1 West longitude xhhhhhhh = undefined ddddddd = Longitude degrees mmmmmm = Longitude minutes hhhhhhh = Longitude hundredths of minutes ‘\r’ Item Terminator <0x0d> 560-1025-09 Rev E MX20 Installation Manual...

  • Page 81: Table A-3. Moving Map Binary Route Data

    = hundredths of minutes x = undefined Magnetic variation at waypoint nnnnnnnn LS byte (msbit...lsbit) nnnnnnnn MS byte (msbit...lsbit) Two’s complement binary in sixteenths of degrees, easterly variation is positive. <CR> ASCII carriage return (0Dh) MX20 Installation Manual 560-1025-09 Rev E...

  • Page 82: Flight Plan Waypoint Types (When Extended Data Is Enabled Only)

    305.9 desired track  SFO waypoint ident 305.8 bearing to waypoint 14.0 east magnetic variation  No alarms, data not flagged  !"#$ %"&"' From Table 3-6 Figure A-1. Moving Map Data Output (Extended Data Disabled) 560-1025-09 Rev E MX20 Installation Manual...
  • Page 83 CDI Valid, Needle Right, Deflection 001 VDI Valid, Needle Centered, Deflection is 000  !"#$ %"&"' From Table A-3 &%" Flight Plan Waypoint Type data, direct-to, airport type Figure A-2. Moving Map Data Output (Extended Data Enabled) MX20 Installation Manual 560-1025-09 Rev E...

  • Page 84: Altitude Encoder/Converter Input

    “-09981” ..........Possible hardware problem: expected from encoder indicating a temperature greater than 55 C or if data is invalid. “-09982” ..........Altitude out of range: expected from the encoder indicating that the altitude is outside specified range of the encoder. 560-1025-09 Rev E MX20 Installation Manual...

  • Page 85: Stormscope Inputs

    I/O Specifications Figure A-3. Altitude Data Input A.5 Stormscope Inputs The WX-500 is the only Stormscope that the MX20 MFD interfaces with. It can be connected to RS-422 or RS-232. RS-232 Connection J3-20 J3-8 RS-232_GND J2-5 Cable Twisted shielded triad 24 AWG wire...
  • Page 86 I/O Specifications OTES 560-1025-09 Rev E MX20 Installation Manual...

  • Page 87: Appendix B - Equipment Compatibility

    Equipment Compatibility APPENDIX B - EQUIPMENT COMPATIBILITY B.1 Position Source The following position sources are compatible with the MX20. Other Position sources may be used provided they meet the serial specifications defined in section A.1 . Manufacturer Model Data Notes...

  • Page 88: Traffic Source

    Equipment Compatibility B.4 Traffic Source The following Traffic sources are compatible with the MX20. Manufacturer Model Data Format Notes Garmin GTX330 ARINC429 MX20 I/O Model only Garmin AT Legacy UAT/GDL 90 UAT RS-422 SKY497 ARINC429 MX20 I/O Model only Communications...

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