Appendix F
FAILURE OF THE EXTERNAL GPS NAVIGATION SOURCE
If the external GPS navigation source fails, the system reverts to the internal GPS
navigation source and 'REV' is shown in yellow in the upper left corner of the Data Bar
as well as the lower left quadrant of the HSI.
Internal GPS
REV: External
Navigation Source
failed. Reverted to
internal VFR GPS
for navigation.
328
External
GPS Failure.
Reverted to
External GPS Navigation Failure
Garmin G3X Pilot's Guide
190-01115-00 Rev. F