Garmin G1000 NAV III Line Maintenance Manual page 230

B.1.5.8 GDL 69/69A Data Link Unit Software (GDU software version 6.01 and earlier)
1. Highlight the GDL69 file. Ensure that GDL1 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 GDL 69/69A Data Link Unit 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 all software loads are 'COMPLETE'.
7. De-activate the cursor.
Page B-16
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G1000 Nav III Line Maintenance Manual
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