6) Quick Up Button
7) Quick Down Button
8) Microphone Gain Knob
9) RF Gain Knob
10) Squelch Control knob
11) Volume and Power On/Off Knob
Press this button briefly to increase the channels
by 10 steps.
Turn this knob clockwise and counter-clock until
you get better microphone gain while you move the
microphone to the optimum distance from your
mouth.
Turn this knob clockwise until you get better RF
gain. You may need to decrease the sensitivity by
turning the knob counter-clockwise when there is a
very strong signal.
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.
Press this button briefly to reduce the channels by
10 steps.
EN
G
LIS
H
8
TCB-775
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.
DSS :
Control if you like to use the DSS(Dynamic Squelch
System), 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.
DSS
DSS
