TM 11-5820-890-10-1
ANT
CHAN
SIG
(ANTENNA) (RF POWER) (CHNANNEL) (SIGNAL)
AUD/FILL
DISPLAY COMSEC
(AUDIO/FILL)
RXMT
FCTN
MODE
DIM
KEYBOARD VOL (VOLUME)
AUD/DATA
(RETRANSMIT) (FUNCTION)
WHSP (WHISPER) (AUDIO/DATA)
RT Front Panel
FCTN (function) switch. Sets RT function: operating positions are: SQ ON, SQ OFF,
RXMT, and REM, The FCTN switch has positions which are boxed-in. You must pull
knob to turn to these positions. This guards against FCTN switch accidentally being
moved to these positions. Pull knob to turn to and
FCTN Switch
TST (test).
SQ ON (squelch on).
SQ OFF (squelch off).
REM (remote).
RXMT (retransmit).
NOTE
For a complete view
of RT front panel, re-
fer to the above illus-
tration.
Turns off all power to the RT, including HUB. Clears
all memory after five seconds. Used when radio is
taken completely out of action.
Starts RT self-tests. Circuits tested include
ECCM, data, and RT. Displays show results.
Turns on RT and squelch. Used for communication
with similar radios. Prevents rushing noise in handset
or loudspeaker.
Turns on RT, but not squelch. Used with single
channel (SC) communications with radios having
different squelch systems. May be helpful when RT
is being jammed during single channel operations.
Disables RT front panel controls. Used for CM and
RCU operation.
Puts RT into retransmit mode. Used for retransmit
operations.
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