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Controls and Indicators
On-Off/ VolumeControl - Use to turn the
radioon or off,and to adjustthe volumelevel.
SquelchControl- Useto eliminatebackground
noise (the "rushing" sound) heard between
transmissions.
Channel Selector - Rotate this knob to select
the desired channel.
Simplex/Duplex Switch - Selects Simplex or
Duplex. Communication on CH 1 to CH8.
Antenna Connector - Screw theflexibleantenna
into this TNC-type connector.
Speaker/Microphone Jacks - Plugthe optional
Remote Speaker/Microphone.
Charging Jack - Plug the supplied AC Adaptor/
Charger into this jack to charge/recharge the
battery while in the UH-oS3.
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UH-O53