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CONTROLS AND FUNCTIONS
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1. SQUELCH - The squelch control is used to eliminate background noise during
the absence of a transmission. Turn the control fully counterclockwise, then
slowly rotate it back clockwise until all noise disappears. At this setting any
transmission must be slightly stronger than the background noise to "Break
Squelch" or to be heard. Further clockwise rotation will increase the threshold at
which a signal will be heard. You can select any level to "Break Squelch".
2. S/RF METER - This LED meter shows the relative strength of the received signal
or transmit power.
3. CHANNEL INDICATOR - Displays the channel currently in use.
4. CHANNEL SELECTOR - This switchselectsthedesired channelfor transmission and
reception. All channels, except channel 9 , may be used for communications between
stations operating under different license. Channel 9 has been reserved bythe DOTAC
for emergency communications involving the immediate safety of individuals or the
immediateprotection of property. This is the DOTAC rule and appliesto all operators of
CB radios.
5. TX INDICATOR - An LED lights to indicatewhen the radio istransmitting.
6. MICROPHONE- The operational modeof the CB is controlled by the push-to-
talk switch on the microphone. Pressthe switch to activate the transmitter and
disable the receiver. Releasethe switch to enable the receiver and disable the
transmitter. When transmitting, hold the microphone about 2 inchesfrom your
mouth and speakclearly in a normal voice. The microphone included with the
PC122XLisa detachable,Iow impedance,dynamic type.
7. RF GAIN - This control is usedto adjust signalreception in areaswherestrong
signalsarepresent.Turn the control fully clockwisefor maximum reception.
8. VOLUME CONTROL - Rotate cloc,kwise to turn radio on and to increase
volume. ..
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