Uniden PC122XL - Manual (Page 4)

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 controi 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 — Thisswitchselectsthedesiredchannelfortransmission and
reception. All channels, except channel 9 , may be used for communications between
stations operating under different license, Channel 9 has been reserved by the DOTAC
for emergency communications involving the immediate safety of individuals or the
immediate protection of property. This is the DOTAC rule and applies to all operators of
CB radios.
5. TX INDICATOR — An LED lights to indicate when the radio !s transmitting,
6. MICROPHONE — The operational mode of the CS is controlled by the push-to­
talk switch on the microphone. Press the switch to activate the transmitter and
disable the receiver. Release the switch to enable the receiver and disable the
transmitter. When transmitting, hold the microphone about 2 inches from your
mouth and speak clearly in a normal voice. The microphone included with the
PC122XL is a detachable, low impedance, dynamic type.
7. RF GAIN — This control is used to adjust signal reception in areas where strong
signals are present. Turn the control fully clockwise for maximum reception,
8. VOLUME CONTROL — Rotate clockwise to turn radio on and to increase
volume. '
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