Garmin G1000 NAV III Line Maintenance Manual page 136

4. When the words
ENT key.
5. Press the CLR key at the "DO YOU WANT TO UPDATE SYSTEM FILES?" prompt.
6. Repeat step 3 and 4 for the MFD.
7. Restore power to all remaining G1000 LRUs.
8. On the MFD use the FMS knob to highlight 'GIA 1' on the System Status page.
9. On the PFD use the FMS knob to turn to the Software Upload page.
10. Use the FMS knob to highlight GIA 6X software.
11. Press the LRU softkey and highlight 'GIA 1'.
12. Press the ENT key to begin loading software.
13. The boot block version should now appear on the MFD.
14. If GIA main boot block version is 4.00 or earlier press the CANCEL softkey on the PFD and select 'YES'
at the prompt. Continue to Section 4.3.1.2 for instructions on loading GIA main boot block version 4.01.
If GIA main boot block version is 4.01, do not cancel the software upload.
15. Repeat steps 7 through 13 for GIA 2.
Page 4-10
Rev. L
appear in the upper left corner of the PFD, release the
NOTE
G1000 Nav III Line Maintenance Manual
190-00352-00