TM 11-5895-1141-12
Key
Control or
Function
Indicator
1
LOCK/NONLOCK channel
Keys selected channel when push-to-talk switch is closed.
Switch
A three position toggle switch with center-off position. Lock
and nonlock have same function but switch remains locked
in lock position, whereas it must be depressed to remain
in nonlock position.
2
Channel status indicator
A red indicator lamp which lights when channel is keyed.
3
Switch status indicator
A green indicator lamp which lights when channel switch is
either in lock or nonlock position.
4
Receiver syllabic indicator
An amber indicator lamp which flashes when audio signals
are
received from receiver.
5
LOUDSPEAKER/HEADSET
A three-position toggle switch which routes received audio
to
select switch
either loudspeaker or headset. Center position blanks
audio
from either the loudspeaker or headset.
2-2