Garmin Diamond DA 40 Maintenance Manual page 121

7.7.2 GMU 44 Software Loading:
1. Insert the correct G1000/DA 40 SW Loader Card (see Appendix A) into top slot of PFD.
2. Start the G1000 system in Configuration mode.
3. Go to the Software Upload page using the FMS knob.
4. Highlight the GMU software file. Ensure that GMU1 appears in the LRU field as shown:
5. Press the LOAD softkey.
6. Select YES and press the ENT key to acknowledge the following prompt:
7. The software for the GMU 44 Magnetometer begins to load. Monitor the upload status as it
progresses:
8. After the files finish loading, press the ENT key to acknowledge the following prompt:
9. Check the SUMMARY field to ensure the load is 'COMPLETE'.
10. Go to the System Status page.
11. Activate the cursor and highlight 'GMU1', then 'GMU1 FPGA' in the LRU window.
12. Verify that the reported part number and version of the software files match the data in
Appendix A.
13. Continue to the GRS/GMU Calibration section.
G1000/DA 40 System Maintenance Manual
190-00303-03
Page 7-27
Revision 6