Garmin Diamond DA 40 Maintenance Manual page 150

B.6.3 GRS 77 AHRS Software
1. Highlight the GRS77 software file. Ensure that the GRS to GIA data path appears in the LRU
field as shown:
2. Press the LOAD softkey.
3. Select YES and press the ENT key to acknowledge the following prompt:
4. The software for the GRS 77 AHRS begins to load. Monitor the upload status as it progresses:
5. After the files finish loading, press the ENT key to acknowledge the following prompt:
6. Check the SUMMARY field to ensure the load is 'COMPLETE'.
Page B-10
Revision 6
G1000/DA40 System Maintenance Manual
190-00303-03