Table 5-2.Operating Controls and IndicatorsContinued
This button is a telegraph key; it enables the
operator to transmit code when the normal trans-
mitting level of his voice may reveal his position.
MCW is only obtainable when the function
switch is in the VOICE/MCW 243.0 position.
Causes radio set to transmit a continuous tone,
Turns transmitter off, receiver on.
This controls the volume of the sound from
the LISTEN speaker or earphone. It controls
received signals, not sidetone.
Fully Up, MAX
Quietest sound, but radio set is not turned off.
Volume control does not affect transmitted
Sound of received signal is heard by placing ear
close to LISTEN speaker. Sound of MCW or
beacon transmitter may also be heard. The
LISTEN speaker is shut off when the earphone is
Picks up the voice being transmitted when PUSH
TO TALK button is depressed and function
switch is set to either VOICE/MCW 243.0 or
Causes sound to be heard in earphone. A magnet
in the earphone connector (12, figure 5-8) shuts
off the LISTEN speaker.
Connector may be
joined to jack in
either of two
Sound is heard through LISTEN speaker.
Holds battery in place.