
G1000 System Maintenance Manual – Diamond DA40/40F Page 3-25
190-00545-01 Revision G
5. When the words
appear in the upper left corner of the MFD,
release the ENT key.
6. The system automatically compares the existing GDU 104X boot block with the version on the
boot block update card. If a difference exists, the GDU prompts to load new boot block:
7. MAKE CERTAIN that power will remain applied to the system with no possibility of accidental
shutdown. Press the ENT key and new boot block will be loaded:
8. Remove the GDU Boot Block update card from the MFD and install in the PFD.
9. Repeat Steps 4 through 7 for the PFD.
10. When finished updating both displays, remove the boot block update card, and pull the MFD and
PFD circuit breakers to remove power from the displays.
3.5.4 MFD & PFD Software Load
Follow this procedure to load software to the MFD and PFD.
1. After verifying and/or updating GDU boot block, insert the correct G1000 software loader card
which is applicable for the desired STC configuration into the MFD top card slot (see appropriate
GA drawing in Table 1-2).
2. With the G1000 systems powered on, pull the MFD and PFD circuit breakers.
3. While holding the ENT key on the MFD, restore power by closing the MFD circuit breaker.
4. When the words
appear in the upper left corner of the MFD,
release the ENT key.
5. Press the ENT key to acknowledge the following prompt to load new software (NOTE: A
softkey labeled ‘YES’ appears in the lower right corner and may be used in lieu of the ENT key):
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