Gsu/Grs/Gmu Calibration Procedures - Garmin G1000 Nxi System Maintenance Manual

4. Select the "SYSTEM UPLOAD" page using the small FMS knob on PFD1.
5. Activate cursor and rotate the small FMS knob to display the drop down menu. Rotate
the large FMS knob to highlight "04) AHRS – Air Data" and press ENT key on PFD1.
6. Rotate the small FMS knob to display the drop down menu. Rotate the large FMS knob
to highlight the installed GRS. Press ENT key on PFD1.
7. Press the CLR ALL softkey.
8. Scroll to GMU1 or 2.
9. Highlight the Software box.
10. Press the ENT key.
11. Press "Load" softkey.
12. Monitor load progress. Verify software load completes without errors as indicated by the
following:
•
Green "PASS" in the Configuration and Software columns for each item loaded.
•
"Upload Complete............."COMPLETE" in the summary box.
13. Acknowledge the prompt by pushing the ENT key.
14. Deactivate the curser.
15. Scroll to the Configuration Manager page.
16. Press the CNFM CFG softkey.
17. Select ok when prompted to "Confirm configuration as expected configuration"
18. Power cycle the system. Verify there are no red-Xs or system alerts.
19. If red-Xs or system alerts are present, troubleshoot as necessary using Section 5.
20. If there are no red-Xs or system alerts, continue to Section 7.10.

GSU/GRS/GMU Calibration Procedures

GSU/GRS/GMU Recalibration Criteria
The following calibration procedures are provided for the GRS and GMU 44:
•
Pitch/Roll Offset: (Procedure A1, PROVIDED IN SECTION 7.10.1)
•
Magnetometer Calibration: (Procedure B, PROVIDED IN SECTION 7.10.3)
•
Engine Run-Up Vibration Test: (Procedure D, PROVIDED IN SECTION 7.10.4)
•
Magnetometer Interference Test: (Procedure E, PROVIDED IN SECTION 5.17.4)
Follow the steps given for each procedure on-screen at the GRS/GMU CALIBRATION page.
Note that the CALIBRATE command cannot be selected and activated until the installer
acknowledges all required steps have been carried out by pressing the ENT key on each step.
G1000 NXi System Maintenance Manual
King Air 300 Series
190-00716-N1
Page 308
Revision 1