Garmin GTR 200 Pilot's Manual page 27

Message
PILOT PTT KEY
STUCK
COPILOT PTT
KEY STUCK
BOTH PTT KEY
STUCK
TX HARDWARE
FAULT
REDUCED TX
POWER - LOW
VOLTS
REDUCED TX
POWER - HI
TEMP
INPUT VOLTAGE
TOO LOW
190-01553-01 Rev. A
Description
The Pilot Push To Talk
key/switch has been in
the pressed position
for at least 35 seconds.
This key will now be
ignored.
The Copilot Push To
Talk key/switch has
been in the pressed
position for at least 35
seconds. This key will
now be ignored.
Both Push To Talk key/
switches have been in
the pressed position
for at least 35 seconds.
These keys will now be
ignored.
An internal hardware
problem is preventing
COM transmission.
Transmit power reduced
because input voltage
is too low.
Transmit power reduced
because internal
temperature is too high.
Transmit disabled
because input voltage
is too low.
Garmin GTR 200 Pilot's Guide
Action
Verify Push To Talk key/switch is
not stuck. Refer to the installation
manual for installation wiring
tests. Contact Garmin for service if
this message persists.
Verify Push To Talk key/switch is
not stuck. Refer to the installation
manual for installation wiring
tests. Contact Garmin for service if
this message persists.
Verify Push To Talk key/switches
are not stuck. Refer to the
installation manual for installation
wiring tests. Contact Garmin for
service if this message persists.
Contact Garmin for service if this
message persists.
Verify input voltage meets
minimum requirement identified
in installation manual. Contact
Garmin for service if message
persists.
Wait for unit to cool. Add
supplemental cooling if problem
persists.
Verify input voltage meets
minimum requirement identified
in installation manual. Contact
Garmin for service if message
persists.
GTR 200
17