Garmin GI 275 Maintenance Manual page 73

5.12.1 Attitude/Heading ....................................................................................................................5-34
5.12.2 Autopilot Calibration..............................................................................................................5-34
5.12.3 Analog NAV Calibration .......................................................................................................5-34
5.12.4 Fuel Level Calibration............................................................................................................5-34
5.12.5 Backup Battery Check............................................................................................................5-34
5.13 Uploading Software.......................................................................................................................5-36
5.14 System Checks...............................................................................................................................5-37
5.14.1 Configuration Ground Check .................................................................................................5-37
5.14.2 Pitot-Static and Airspeed Tape Settings Checks ....................................................................5-38
This section provides the procedures to remove, replace, and re-install required and optional LRUs that are
part of the GI 275 system. Refer to Section 4.2 for the definition of connectors and pin functions for GI 275
system LRUs. Before performing any maintenance on the GI 275 system, all information in Appendix A
must be filled out. It is highly recommended to save the system configuration to a USB drive and print the
configuration log before replacing any system LRUs.
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GI 275 Part 23 AML STC Maintenance Manual
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