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190-01255-00 Rev. B
Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
510
APPENDIX B
MAGNETIC FIELD VARIATION DATABASE UPDATE
A copy of the current magnetic field variation database (MV DB) is included with the navigation database.
At startup, the system compares this version of the MV DB with that presently being used by the AHRS (GRS).
If the system determines the MV DB needs to be updated, a prompt is displayed on the Navigation Map Page.
Figure B-12 GRS Magnetic Field Variation Database Update Prompt
Loading the magnetic field variation database update:
1) With ‘OK’ highlighted, as shown in figure B-12, press the ENT Key on the MFD. A progress monitor is displayed
as shown in Figure B-13.
Figure B-13 Uploading Database to GRS
2) When the upload is complete, the system is ready for use.