Garmin G950 Pilot's Manual page 483

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. If
the system determines the MV DB needs to be updated, a prompt is displayed on the Navigation Map Page,
as shown in Figure B-12.
Loading the magnetic field variation database update:
1) With 'OK' highlighted, as seen in Figure B-12, press the ENT Key on the MFD. A progress monitor is displayed
as shown in Figure B-13. When the upload is complete, the system is ready for use.
190-00870-02 Rev. A
Figure B-12 GRS1 Magnetic Field Variation Database Update Prompt
Figure B-13 Uploading Database to GRS1
Garmin G950 Pilot's Guide for the Pilatus PC-6
APPENDIX B
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