Garmin G1000 NXi Supplemental Maintenance Manual page 130

Legacy Replacement Procedure GSU (Alternate Method) (if installed)
1. Insert the software loader card in the top slot of the PFD.
2. Power on the MFD and PFD in configuration mode.
3. Select no when "Do you want to update system files" is displayed on the screen of PFD.
4. Select the "SYSTEM UPLOAD" page using the small FMS knob on the PFD.
5. Activate cursor and rotate the small FMS knob to display the drop down menu. Rotate
the large FMS knob to highlight "0X - XXX" (where 0X is the menu position and XXX is
the airframe type) and press ENT key on PFD.
6. Rotate the small FMS knob to display the drop down menu. Rotate the large FMS knob
to highlight "Baseline Option – GSU75 Installation". Press ENT key on PFD.
7. Press the CLR ALL softkey.
8. Use the large FMS knob to scroll to GSU - AHRS.
9. Highlight the software box and press the ENT key to check the box.
10. Highlight the Configuration box and press the ENT key to check the box.
11. Use the large FMS knob to scroll to GSU – ADC.
12. Highlight the software box and press the ENT key to check the box.
13. Highlight the Configuration box and press the ENT key to check the box.
14. Press "Load" softkey.
15. 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.
16. Acknowledge the prompt by pushing the ENT key.
17. Deactivate the cursor.
18. Scroll to the Configuration Manager page.
19. Press the CNFM CFG softkey.
20. Select ok when prompted to "Confirm configuration as expected configuration"
21. Power cycle the system verify there are no red-Xs or system alerts.
22. If red-Xs or system alerts are present, troubleshoot as necessary using Section 5.
22. If there are no red-Xs or system alerts, continue to Section 7.7.3 for the air data portion
of the GSU and Section 7.10.5 for the AHRS portion of the GSU.
G1000 Supplemental Maintenance Manual
Textron Nav III Series
190-02128-04
Page 7-25
Revision 3