
G1000 Cockpit Reference Guide for the Piper PA-46 Mirage/Matrix
190-01107-02 Rev. A
Appendix
105
Flight
Instruments EICAS
Nav/Com/
XPDR/Audio AFCS GPS Nav
Flight
Planning Procedures
Hazard
Avoidance
Additional
Features
Abnormal
Operation
Annun/
Alerts Appendix Index
Magnetic Field Variation Database Update
At startup, the system compares this version of the MV DB with that presently being
used by each AHRS (GRS1 and GRS2). 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-7. Note, in the following example, GRS1 is the first AHRS to indicate an update is
available. In actuality, this is dependent on which AHRS is the first to report status to
the system. GRS2 may be displayed before GRS1. The order is not important, only
that both AHRS be updated.
GRS1 Magnetic Field Variation Database Update Prompt
Loading the magnetic field variation database update:
1)
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 GRS1
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