Messages
190-02488-01 Rev. B Pilot’s Guide 6-13
Transponder has
failed.
For GNX 375, or
GPS 175/GNC 355
configured to receive
ADS-B In data from
GTX 345:
Transponder detects an
internal failure.
Functionality may be
unavailable.
Possible causes:
• 1090ES ADS-B Out
failure
• Transponder failure
• Communication with
the transponder is
lost
Contact dealer for service.
Transponder is
operating in ground
test mode.
For GNX 375, or
GPS 175/GNC 355
configured to receive
ADS-B In data from
GTX 345:
Transponder is being
forced airborne for
ground test.
Cycle power to the GNX 375
once ground test completes.
ADS-B is not
transmitting
position.
For GNX 375:
Transponder is not
receiving a valid GPS
position.
If the problem persists,
contact dealer for service.
<Unit> demo
mode.
The unit is in demo
mode. Do not use for
navigation.
Power cycle the unit to exit
demo mode.
ADVISORY CONDITION CORRECTIVE ACTION
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