TM 55-1680-351-10
Table 3-1. Controls, Indicators, and Connectors
Control, Indicator,
Function
or Connector
Function switch
Selects transceiver operating mode
(4-position rotary
and turns radio set off.
switch)
SW Pos
Function
OFF
Removes power
from radio set.
VOICE/MCW
Turns receiver on
243.0
for reception of
243.0 MHz voice
or MCW signals.
Also permits
243.0 MHz voice
or MCW trans-
mission when
keyed by PUSH
TO TALK or
MCW buttons.
BCN 243.0
Turns on 243.0
MHz transmitter,
and transmits a
beacon tone.
Swept audio tone
is continuously
transmitted for
rescue aircraft to
home on.
VOICE 282.8
Turns receiver on
(function
for reception of
switch but-
282.8 MHz voice
tons must be
signals. Also
pressed to
permits 282.8
place switch
MHz voice trans-
in VOICE
mission when
282.8 posi-
PUSH TO TALK
tion)
button is pressed.
3-3
