16-22
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Messages
Message
Description
Action
TRANSPONDER
1 OR 2 -
Transponder 1 or
2 is inoperative or
connection to GTN
is lost.
The GTN is configured
for transponder 1 or
2 but is not able to
communicate with the
transponder.
Verify squawk code and altitude
with ATC. Contact dealer for
service.
TRANSPONDER
1 OR 2 -
Transponder 1 or 2
needs service.
The transponder is
reporting to the GTN
that it needs service.
The transponder may
continue to function.
Verify squawk code and altitude
with ATC. Contact dealer for
service.
TRANSPONDER
1 OR 2 -
Transponder has
failed.
The transponder has
detected an internal
fault and transponder
functionality may be
unavailable.
Contact dealer for service.
TRANSPONDER
1 OR 2 -
Transponder is in
ground test mode.
The transponder is
operating in a mode
intended for ground
testing.
Cycle the power to the
transponder.
TRANSPONDER
1 OR 2 -
Transponder
overtemp.
The transponder is
reporting that its
internal temperature
has exceeded upper
operating limits.
Decrease temperature and increase
airflow near the transponder, if
possible. Monitor aircraft electrical
indications. Contact dealer for
service if message persists.
TRANSPONDER
1 OR 2 -
Transponder
undertemp.
The transponder is
reporting that its
internal temperature
has exceeded lower
operating limits.
Contact dealer for service if
message persists.
Содержание GTN 625
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