Recommended Test Equipment; Gdu 37X Test Procedure - Garmin G3X Installation Manual

19.1 Recommended Test Equipment

The following test equipment is recommended to conduct and complete all post installation checkout
procedures in this section: (All test equipment should have current calibration records)
• Pitot/static ramp tester
• Digital Multi-Meter (DMM)
• 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

19.2 GDU 37X Test Procedure

Test the GPS Receiver:
1. Power on unit and use the FMS Joystick to select the Info Page.
2. Verify that the GPS receiver is functional and able to calculate its present position.
G3X Installation Manual - Post Installation Checkout and Calibration Procedures 190-01115-01
Page 19-2 Rev. L