
Garmin G1000 Cockpit Reference Guide for the Cessna Nav III
190-00384-13 Rev. B
Appendix
158
Flight
InstrumentsEIS
Nav/Com/
XPDR/AudioAFCSGPS Nav
Flight
PlanningProcedures
Hazard
Avoidance
Additional
Features
Abnormal
Operation
Annun/
AlertsAppendixIndex
Magnetic Field Variation Database Update
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, as shown in the following figure.
GRS Magnetic Field Variation Database Update Prompt
Loading the magnetic field variation database update:
With ‘OK’ highlighted, as shown in the previous figure, press the ENT Key
on the MFD. A progress monitor is displayed as shown in the following
figure.
Uploading Database to GRS
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