GRT Avionics Horizon EX, Installation Manual

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GRT Avionics, Inc. May 2019
Sport EX/Horizon EX Install. Manual IV Rev. A
3-1: Display Unit Installation ...................................................................................... 14
3-2: Remote Digital Magnetometer Installation .......................................................... 14
3-3: Cooling Considerations ...................................................................................... 15
3-4: Pitot-Static Connections ..................................................................................... 15
3-5: Angle-of-Attack Pressure Port Connection ......................................................... 15
SECTION 4: WIRING .................................................................................................... 16
4-1: General Guidelines ............................................................................................. 16
4-2: Power Connections ............................................................................................ 17
4-3: Ground Connections ........................................................................................... 18
4-4: Digital Magnetometer Wiring .............................................................................. 18
4-5: Specific Equipment Interconnect Details ............................................................ 18
4-6: Warning Light Output .......................................................................................... 19
SECTION 5: Initial Checkout, Basic Configuration Settings and Calibration ................. 20
5-1: Display Unit Checkout ........................................................................................ 20
5-2: Configuring the Serial Ports ................................................................................ 20
5-3: Trig TT22 (RS-422 Port) ..................................................................................... 21
5-4: Required Setup for the Internal GPS .................................................................. 21
5-5: Multiple AHRS Inputs ......................................................................................... 21
5-6: Defining Magnetometer Connections ................................................................. 22
5-7: AHRS/Air Data Computer Test ........................................................................... 22
5-8: Setting AHRS Orientation ................................................................................... 23
5-9: Magnetometer Location Validation ..................................................................... 24
5-10: Set Final Magnetometer and Instrument Orientation ........................................ 25
5-11: Check the Uncorrected Magnetic Heading ....................................................... 25
5-12: Fine Magnetometer Calibration Procedure ....................................................... 26
5-13: Measuring the Accuracy of the Magnetic Heading ........................................... 28
5-14: How Accurate Should the Magnetic Heading Be? ............................................ 28
5-15: Basic Engine Monitoring Required Settings ..................................................... 29
5-16: Other Required Settings and Options ............................................................... 30
Appendix ....................................................................................................................... 32
A-1: Sport EX/Horizon EX Mounting Template .......................................................... 33
A-2: External Module Diagrams ................................................................................. 34
A-3: Digital Magnetometer Installation Diagram ........................................................ 35
A-4: Sport EX/Horizon EX Connector A Pinout Diagram ........................................... 36