190-01553-01 Rev. G
Garmin GTR 200/200B Pilot’s Guide
20
GTR 200/200B
4)
Turn the
SMALL
Knob to highlight one of the following function:
(PILOT PTT, PILOT ISOLATION, MUSIC ON/OFF, USER LIST, or TUNE
EMERGENCY).
NOTE
: Both softkeys cannot select the same function (except Disabled).
5)
Press the BACK Softkey to exit the Softkey Setup menu.
6)
Power off the unit and back on to save the softkey settings.
TROUBLESHOOTING
Problem
Possible Cause
Action
GTR 200/200B does not power
on
No power to the
GTR 200/200B
Check power connections,
breakers, and main
avionics switch
Faulty electrical
wiring or connection
Perform electrical system
test
GTR 200/200B does not
transmit
No power to COM
Check power connections
Mic key connection
Check Mic key input
connection
Intercom doesn’t function
It can be enabled
or disabled via
configuration mode
Check connections. Refer
to the installation manual
for wiring and headset
test procedures.
No voice activation,
or if must talk too
loud
Check ICS SQ and ICS
VOL levels on the menu
page
A headset that has
a MIC Telephone
switch option turned
on
On the headset, turn the
MIC Telephone switch
to the Off position, and
power cycle the GTR200
