GRT Avionics GRT Sport 10.1 Installation Manual
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GRT Avionics GRT Sport 10.1 Installation Manual

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Sport/Horizon 10.1
Installation Manual
Revision A
July 2019

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Summary of Contents for GRT Avionics GRT Sport 10.1

  • Page 1 Sport/Horizon 10.1 Installation Manual Revision A July 2019...
  • Page 2 GRT Avionics, Inc. Mar 2019 GRT Avionics, Inc. 3133 Madison Avenue SE Wyoming, MI 49548 616-245-7700 support@grtavionics.com grtavionics.com Sport EX/Horizon EX Install. Manual Rev. A...
  • Page 3 Congratulations on your purchase of the GRT Avionics EFIS! We are pleased that you have chosen our product to meet your flying needs! This manual describes the installation of the GRT Sport 10.1 and Horizon 10.1 EFIS using the software version shown in the Record of Revisions. Some differences may be observed when comparing the information in this manual to other software versions.
  • Page 4 GRT Avionics, Inc. July 2019 RECORD OF REVISIONS Revision Date SW Revision Description July 2019 First Release Sport EX/Horizon EX Install. Manual Rev. A...

  • Page 5: Table Of Contents

    Supported Equipment ..................4 PLANNING YOUR INSTALLATION ................. 6 Choosing Your Serial Port Assignments ............6 Common Equipment Interfaces ................7 3.2.1 Other GRT Avionics Display Units—the Inter-Display Unit Link ....7 Serial and Ethernet .................... 7 3.3.1 AHRS......................8 3.3.2 Autopilots .....................
  • Page 6 GRT Avionics, Inc. July 2019 Display Unit Installation ..................15 Remote Digital Magnetometer Installation ............15 Cooling Considerations ..................16 Pitot-Static Connections ................... 16 Angle-of-Attack Pressure Port Connection ............16 WIRING ........................18 General Guidelines ..................18 Power Connections ..................19 Ground Connections ..................
  • Page 7 GRT Avionics, Inc. July 2019 Angle-of-Attack (AOA) Installation and Calibration ........... 39 7.7.1 Sensed AOA Installation ................39 7.7.2 Calculated AOA Installation ............... 40 7.7.3 Calibration of the AOA (Calculated and Sensed) ........40 Basic Engine Monitoring Wiring ............... 41 Common Tachometer Connections ..............

  • Page 8: General Description

    GRT Avionics, Inc. July 2019 2 GENERAL DESCRIPTION 2.1 Introduction This document provides the physical, mechanical and electrical characteristics and installation requirements for the GRT Sport and Horizon 10.1 Electronic Flight Instrumentation System (EFIS). This manual is set up in order to match the steps you will follow to install this equipment.

  • Page 9: Certification

    EFIS navigation database. When the GRT Avionics Engine Information System (EIS) unit is connected to the EFIS, its data is displayed on the EFIS screen. The EFIS enhances the usefulness of the engine data by adding such features as an EGT time history, percent power and engine efficiency Sport/Horizon 10.1 Install.

  • Page 10: Integrating Third-Party Equipment

    See section 2.2 - Common Equipment Interfaces, the Appendix of this manual or the Support section of the GRT Avionics website (www.grtavionics.com) for more information on the various GRT system & third-party equipment configurations.

  • Page 11: Supported Equipment

    GRT Avionics, Inc. July 2019 • ADS-B transponder/receiver support; Displays weather and traffic (TIS-A). • Displays Traffic Information Service (TIS-B) traffic (when used with Mode S transponder). • Can tune any communication and/or navigation radio that provides an SL30/SL40 compatible serial interface, including SL30, SL40, GTR 200, GTR 225, GNC 255, VAL Com and Nav radios.
  • Page 12 GRT Avionics, Inc. July 2019 • Guardian Avionics CO Guardian Series CO Detector • TIS Traffic Datalink (GTX 330) • Zaon Flight Systems PCAS XRX and MRX • BF Goodrich WX-500 Stormscope • Vertical Power VP-X Series Electronic Circuit Breaker System •...

  • Page 13: Planning Your Installation

    GRT Avionics, Inc. July 2019 3 PLANNING YOUR INSTALLATION Modern flight instrumentation systems may seem intimidating, but they can be easier to install than their analog counterparts. This section provides some basic information for aircraft builders new to the world of electronic flight display systems.

  • Page 14: Common Equipment Interfaces

    (www.grtavionics.com/home/compatible-equipment/). 3.2.1 Other GRT Avionics Display Units—the Inter-Display Unit Link This connection allows two or more display units to function as one integrated system, so pilot inputs do not need to be duplicated on each display unit. The following pilot entries are always shared over the inter-display unit link: •...

  • Page 15: Ahrs

    3.3.3 Autopilot Using GRT Avionics Servos An autopilot using GRT Servos provides excellent performance and is the easiest configuration to implement. The installation will require wiring for the servos, mounting kits to attach the servos to your airplane, a power-switch for the servos and an engage/disengage button.

  • Page 16: Ads-B Receivers

    GRT Avionics, Inc. July 2019 Most of our customers use GRT Servos for their autopilot needs. However, airplanes with existing autopilots can still interface with any GRT EFIS. This is accomplished via a serial output from the EFIS for lateral-only steering. Autopilots that provide vertical steering require an ARINC 429 adapter to receive GPSS and GPSV commands, which requires the use of both a serial input and an output from the EFIS.

  • Page 17: Panel-Mounted Transponders

    GRT Avionics, Inc. July 2019 • Multiple display units provide multiple ways to control the transponder. A serial input and output are required to interface a display unit with a uAvionix remote transponder. If the Trig TT22 is being used, an RS-422 interface (or a serial input and output with a Trig Adapter) is needed to connect it to the display unit.

  • Page 18: Gps Data To External Devices

    GRT Avionics, Inc. July 2019 The Sport EX is fully-compatible with IFR GPS navigators from Garmin and Avidyne. The optional ARINC 429 Interface is required to receive VOR/ILS information from these devices, as well as to provide them with EFIS data that the GPS can use for enhanced functionality.

  • Page 19: Analog Inputs

    GRT Avionics, Inc. July 2019 *NOTE: These optional features require a hardware upgrade and need to be sent in to GRT in order to add them. 3.7 Analog Inputs The EFIS includes six analog inputs and a two-channel (stereo) audio output. The analog inputs allow the EFIS to measure voltages in the airplane and to perform a variety of functions.

  • Page 20: Audio Output

    GRT Avionics, Inc. July 2019 Although it is not good practice to connect an analog input to multiple display units, EFIS analog inputs can also be shared with other display units via the inter-display link. Typically, these inputs are used to display the trim and flap positions, but they can be user-defined for just about any purpose.
  • Page 21 GRT Avionics, Inc. July 2019 • EAA columnist Tony Bingelis’s books have long been a staple of experimental aircraft builder knowledge. In addition to wiring considerations, Mr. Bingelis discusses all aspects of kitplane building, from spinner to tail. The books are: The...

  • Page 22: Physical Installation

    GRT Avionics, Inc. July 2019 4 PHYSICAL INSTALLATION 4.1 Display Unit Installation Mount the display unit(s) in the desired location in the instrument panel. The main consideration in choosing a location is the ability to view the display unit and reach its controls.

  • Page 23: Cooling Considerations

    GRT Avionics, Inc. July 2019 location will be tested for interference in Section 5: Initial Checkout, Basic Configuration Settings and Calibration, after the initial boot-up checks of the Sport EX. 4.3 Cooling Considerations The EFIS does not require external cooling and generally does not require any special considerations regarding cooling in most installations.
  • Page 24 GRT Avionics, Inc. July 2019 Use the appropriate tubing to make an air-tight connection between the AOA pitot and the AOA port on the EFIS. The AOA port is located between the Pitot (marked “P”) and the Static (marked “S”) ports.

  • Page 25: Wiring

    GRT Avionics, Inc. July 2019 5 WIRING Before starting the wiring of your airplane, we highly recommend you create a wiring diagram. This forces you to think through your wiring decisions, provides valuable documentation for the maintenance of your airplane and makes the task of physically wiring your airplane simply a matter of following these diagrams.

  • Page 26: Power Connections

    GRT Avionics, Inc. July 2019 • If you should need to install you own terminals, information on how to crimp wires is available on the EAA’s “Hints for Homebuilders” website, as well as written information in the publications listed in section “For More Information”.

  • Page 27: Ground Connections

    GRT Avionics, Inc. July 2019 5.3 Ground Connections The cable assembly provided includes 22 gauge wire for the ground return of the display units. This will result in a voltage drop of about 0.015V/ft, which is acceptable for wire lengths of up to 5’.

  • Page 28: Warning Light Output

    GRT Avionics, Inc. July 2019 5.6 Warning Light Output A warning output is provided on the D-sub connector to drive an external warning light. This output provides a path to ground when active, thus the indicator should be wired with one of its terminals to aircraft power while the other is wired to this output.

  • Page 29: Initial Checkout, Basic Configuration Settings And Calibration

    GRT Avionics, Inc. July 2019 6 Initial Checkout, Basic Configuration Settings and Calibration 6.1 Display Unit Checkout 1. Apply power to the display unit. The LCD will become active within 20 seconds, the display should show the “Accept” page if on the ground. (If in-flight, the “Accept”...

  • Page 30: Trig Tt22 (Rs-485 Port)

    GRT Avionics, Inc. July 2019 6.3 Trig TT22 (RS-485 Port) The EFIS provides an RS-485 port for a direct connection to the Trig TT22 Mode S transponder. If this port is wired to the Trig TT22, the following setting should be configured (the setting is accessed from the “General Setup”...

  • Page 31: External Ahrs/Air Data Computer Test

    GRT Avionics, Inc. July 2019 connected or is not providing data. The EFIS will generate a warning if “Yes” is set and no magnetometer data is being received. 6.6 External AHRS/Air Data Computer Test This section applies only in cases where a stand-alone external AHRS is wired to the EFIS to provide redundant attitude/air data information to the EFIS.
  • Page 32 GRT Avionics, Inc. July 2019 Instrument Panel Tilt 20° Pitch Down = -20 Pitch Offset Longitudinal Axis AHRS Pitch Orientation Offset Sport/Horizon 10.1 Install. Manual Rev. A...

  • Page 33: Magnetometer Location Validation

    GRT Avionics, Inc. July 2019 Display Unit Tilted Toward Pilot 15° Right Yaw = +15 Yaw Offset Longitudinal Axis Figure 5-2: AHRS Yaw Orientation Offset Panther line drawings used with permission from Sport Performance Aviation, LLC. 6.8 Magnetometer Location Validation 1.

  • Page 34: Set Magnetometer Orientation

    GRT Avionics, Inc. July 2019 d. For aircraft with retractable landing gear: If the magnetometer is located within 2 feet of retractable landing gear, support the aircraft using proper jacking equipment, then repeat Step 1 while operating the landing gear.

  • Page 35: Fine Magnetometer Calibration Procedure

    GRT Avionics, Inc. July 2019 6.11 Fine Magnetometer Calibration Procedure The magnetometer must be calibrated before the first flight of the aircraft. Magnetometer calibration is required to achieve accurate magnetic heading readings. This calibration corrects for errors induced by magnetic disturbances local to the sensor, such as ferrous metal objects.
  • Page 36 GRT Avionics, Inc. July 2019 8. As soon as the message “Calibration in Progress” is displayed (within 15 seconds), rotate the aircraft 360°, plus an additional 20°, in a counter-clockwise manner (initially towards west). The airplane does not need to be rotated in place, but simply pulled or taxied in a circle.

  • Page 37: Measuring The Accuracy Of The Magnetic Heading

    GRT Avionics, Inc. July 2019 The graph will also show the correction stored in the AHRS as a green line. The green line will be within +/-30°, if the magnetometer was mounted in a good location and was mounted accurately with respect to the AHRS.

  • Page 38: Required Settings Before Flying

    GRT Avionics, Inc. July 2019 6.14 Required Settings Before Flying In addition to the ability to interface with a large variety of third-party equipment, the Sport EX allows the user to customize many aspects of the EFIS. Some of these settings are to support pilot preferences, such as what data they wish displayed in the data boxes on the PFD.
  • Page 39 GRT Avionics, Inc. July 2019 Adjust “BIAS” necessary Altimeter Calibration Altimeter Calibration altimeter is correct with current baroset entered. EFIS Settings Display Unit Use to save all settings to a USB Backup Maintenance memory stick whenever settings are updated to allow easy restoration of all settings.

  • Page 40: Appendix

    GRT Avionics, Inc. July 2019 7 Appendix This section contains diagrams (mounting, wiring and interface), installation notes for specific components (magnetometer, angle-of-attack, etc…) and physical specifications for the Sport EX/Horizon EX. The Wiring and Pinout Diagrams included in this Appendix show the function of each D-sub connection and its associated wire color.

  • Page 41: Sport/Horizon 10.1 Mounting Template

    GRT Avionics, Inc. May 2019 7.1 Sport/Horizon 10.1 Mounting Template Figure A-1: Sport EX/Horizon EX Mounting Template Sport/Horizon 10.1 Install. Manual Rev. A...

  • Page 42: External Module Diagrams

    GRT Avionics, Inc. May 2019 7.2 External Module Diagrams External modules are used for the following devices. ● Digital Magnetometer ● ARINC 429 Adapter ● Gray Code Adapter ● CAN Bus Adapter The size of these modules is identical, as described in the following diagram, “Digital Magnetometer Installation Diagram”, except for he ARINC 429 modules is 9/16”...

  • Page 43: Digital Magnetometer Installation Diagram

    GRT Avionics, Inc. May 2019 7.3 Digital Magnetometer Installation Diagram Sport/Horizon 10.1 Install. Manual Rev. A...

  • Page 44: Connector A Pinout Diagram

    GRT Avionics, Inc. May 2019 7.4 Connector A Pinout Diagram Connector A is a 25-Pin D-Sub female connector that attaches to the male EFIS 25-pin D-sub. Pins for primary power IN and ground are pre-installed in the connector. Commonly used optional wires are supplied as loose wires. Wire colors and devices assigned to serial ports are suggestions only.

  • Page 45: Connector B Pinout Diagram

    GRT Avionics, Inc. May 2019 7.5 Connector B Pinout Diagram Connector B is a 25-Pin D-Sub male connector that attaches to the female EFIS 25-pin D-sub. Pins labeled NC denote “no connection”. Connector B wires are 4 feet long. Longer wires are available by special order.

  • Page 46: Digital Magnetometer Pinout Diagram

    GRT Avionics, Inc. May 2019 7.6 Digital Magnetometer Pinout Diagram The digital magnetometer harness has a female 9-pin D-sub connector that attaches to the digital magnetometer’s male 9-pin D-sub connector. The harness is provided with the pins installed on the wires, but not in the connector housing, so that they may be routed through smaller openings.

  • Page 47: Calculated Aoa Installation

    GRT Avionics, Inc. May 2019 fabricated by mounting a second pitot tube, bent downward at approximately a 60° angle, as shown here: When using a two-port pitot tube, a pressure connection (typically using the same tubing and hardware that’s used for the pitot connection) is made from the AOA port on the pitot tube to the AOA port on the pitot-static block.

  • Page 48: Basic Engine Monitoring Wiring

    GRT Avionics, Inc. May 2019 7.8 Basic Engine Monitoring Wiring (Requires purchase of Basic Engine Monitoring Option) Sport EX Basic Engine Monitoring Wiring Sport/Horizon 10.1 Install. Manual Rev. A...

  • Page 49: Common Tachometer Connections

    GRT Avionics, Inc. May 2019 7.9 Common Tachometer Connections Figure A-10: Common Tachometer Connections *Basic Engine Monitoring Option Only Sport/Horizon 10.1 Install. Manual Rev. A...

  • Page 50: Trim/Flap Position Sensor Wiring

    GRT Avionics, Inc. May 2019 7.10 Trim/Flap Position Sensor Wiring This diagram illustrates the use of an EIS Engine Monitor auxiliary input for sensing trim or flap position. The EFIS may use this method or one of its optional analog inputs.

  • Page 51: Sport/Horizon 10.1 Display Unit Specifications

    GRT Avionics, Inc. May 2019 7.11 Sport/Horizon 10.1 Display Unit Specifications Overall Size 10.32” W x 7.00” H Faceplate Depth of Display Unit 3” behind Panel Face (Approx.) 9.5” W x 6.75” H Panel Opening Weight 2.5 lbs Sport EX AHRS/Air Data Computer Specifications Max.
  • Page 52 GRT Avionics, Inc. May 2019 Questions to be answered: Dual AHRS. Just configure another 10.1 with an AHRS output? Sport/Horizon 10.1 Install. Manual Rev. A...

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