TM 1-1680-359-10
2-1. CONTROLS AND INDICATORS (Cont)
Control or
Key
Indicator
Function
4
VOL Control
Controls sound level from LISTEN speaker or earphone. Controls received signals, not
sidetone. When control is in MAX position, greatest level of sound is heard; when fully turned
down, lowest level of sound is heard, but radio set is not turned off. Control setting does not
affect transmitter output.
5
Antenna
Provides connection for radio set antenna.
Receptacle
6
EARPHONE
Provides connection for ear phone. When earphone is connected, LISTEN speaker is
JACK
shut off and sound is heard from earphone.
7
LISTEN
Projects sound of received signal; sound of MCW or beacon transmitter (sidetone)
Speaker
may also be projected. LISTEN speaker is shut off when earphone is connected.
2-7
