6) Quick Up Button
7) Quick Down Button
Press this button briefly to increase the channels by 10
steps.
Press this button briefly to reduce the channels by 10
steps.
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TCB-771
8) Squelch Control knob
9) Volume and Power On/Off Knob
10) Channel Selector
Main Squelch Control:
Turn this knob counter-
clockwise until you hear the background noise and
then turn the knob a little clockwise until the noise
disappears. In this way, you get the best receive
sensitivity.
Auto Squelch:
Control if you like to use the auto squelch control,
turn this knob counter clockwise until hearing the click sound. To
return to the manual squelch turn this knob clockwise until
hearing the click sound and then follow the manual squelch
setting procedure.
To switch on the transceiver turn this knob clockwise.
After clicking sound the transceiver is switched on. The
more you turn this knob clockwise, the bigger the
audio sound grows.
Turn right or left, and this allows you to select the
channel one by one that you like to use.
11) Antenna Connector
Insert the mail connector of the antenna cable into
this female antenna connector.