Garmin G1000 NAV III Line Maintenance Manual page 171

Loading the wrong software into GIA63/63W units may cause an inoperable condition that
is not covered by warranty. Refer to Section 4.3 of this manual to identify which type of GIA
63 (WAAS or Non-WAAS) is installed in the aircraft, and how to choose the correct WAAS or
Non-WAAS software file. Loading the incorrect software may make the GIA 63 or GIA 63W
inoperable and necessitate returning the unit to Garmin for non-warranty repair. No warning
appears if the wrong software is selected.
8. Press the ENT key.
9. Press the CLR ALL softkey.
10. Using the FMS knob select the following files:
•
Pitch Trim Software
•
Roll Software
•
Pitch Software
•
Pitch Trim Configuration
•
Roll Configuration
•
Pitch Configuration
Pressing the ENT key will check and uncheck the highlighted software and configuration boxes.
11. Once the desired files are selected press the LOAD softkey.
12. Verify the correct software part number and software version on the SYSTEM STATUS page.
For software/configuration troubleshooting see Section B.4, otherwise continue to Section 4.10.2.
4.10.2 GSA 81 Testing
The following procedure will verify the proper operation of the GFC 700 AFCS. The technician performing these
checks must be thoroughly familiar with the GFC 700, refer to the applicable Garmin Nav III Cockpit Reference
Guide.
4.10.2.1 Autopilot Pre-Flight Test
The autopilot pre-flight test will run on every full autopilot power-on.
1. After powering up the system in normal mode, open the AP SERVOS circuit breaker and rest.
The AFCS will re-initiate the pre-flight test.
A red AFCS (
autopilot servos are online.
2. Verify that a white 'PFT' annunciation is displayed on the PFD.
3. Upon successful completion of the test (approximately 10 to 15 seconds), the autopilot disconnect
aural alert will sound and the annunciation will clear. Continue to Section 4.9.2.2.
If the 'PFT' annunciation turns red, the test has failed and additional troubleshooting will have
to be performed prior to continuing the test.
G1000 Nav III Line Maintenance Manual
190-00352-00
CAUTION
NOTE
NOTE
NOTE
) annunciation will be displayed until both GIAs, the AHRS, and the
NOTE
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