Turn VOLUME ON/OFF control clockwise to mid-position on dial.
Turn squelch control fully counterclockwise.
Set channel selector switch to desired position.
Turn SQUELCH control clockwise until background noise just disappears.
When message is received, adjust VOLUME/ON/OFF control to desired listening level.
Perform the following to transmit messages to another station on the same frequency:
Before transmitting, listen to channel to be used to make sure it is not being used. Make sure
external VHF antenna Is connected to receptacle on top of unit.
Set HI-LO power switch to desired setting.
Use low power setting when communicating with stations within 100 yd of location.
Speak slowly and distinctly Into built-in microphone located in lower left corner of speaker grille, while
pressing PUSH-TO-TALK button on side of walkie-talkie.
If using an external microphone, associated PUSH-TO-TALK button will activate walkie-talkie.
2-13 Shutdown procedures
2-13.1. Army radio
On Army radio (Figure 2-6), set LIGHT selector switch to OFF The LAMP and CALL control Indicators will go out.
Then turn BREAKER-RESET power switch to OFF.
On Army radio power supply (Figure 2-5), turn POWER ONIOFF switch to OFF The AC ON green light will go
2-13.2. Marine radio
a On marine radio (Figure 2-7), turn VOLUME control fully counterclockwise.
b On marine radio power supply, set power switch to OFF.
On walkie-talkie, turn VOLUME-ON/OFF control fully counterclockwise.
Replace walkie-talkie In battery charger receptacle and make sure red light next to it goes on to indicate
continued charging of walkie-talkie. If red light does not come on, make sure battery charger ON/OFF switch Is
in ON position.
2-14 Operation under extreme conditions. In cold weather
Do not bend cables or cords suddenly.
Keep radio operating. If not possible, allow radio to warm up before using.
Keep ice off antennas Exercise care not to damage antennas.
Do not touch Army radio antenna while radio is operating. Antenna contains high voltage which will
seriously injure a person touching the antenna during transmissions.