Garmin G1000 NXi Supplemental Maintenance Manual page 136

Legacy Replacement Procedure GRS 77 (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 the
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 the PFD.
6. Rotate the small FMS knob to display the drop down menu. Rotate the large FMS knob
to highlight "Baseline Option – Legacy – GRS77 and GDC74 Installation". Press
ENT key on the PFD.
7. Press the CLR ALL softkey.
8. Use the large FMS knob to scroll to GRS
9. Highlight the software box and press ENT.
10. Press "Load" softkey.
11. 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.
12. Acknowledge the prompt by pushing the ENT key.
13. Deactivate the cursor.
14. Scroll to the Configuration Manager page.
15. Press the CNFM CFG softkey.
16. Select ok when prompted to "Confirm configuration as expected configuration"
17. Power cycle the system verify there are no red-Xs or system alerts.
18. If red-Xs or system alerts are present, troubleshoot as necessary using Section 5.
17. If there are no red-Xs or system alerts and the GRS rack(s) were not removed or
loosened, continue to the GRS/GMU Test Section 7.10.5.
18. If there are no red-Xs or system alerts and the GRS rack(s) was removed or loosened,
continue to the GRS/GMU Calibration Procedures Section 7.10.
G1000 Supplemental Maintenance Manual
Textron Nav III Series
190-02128-04
Page 7-31
Revision 3