Operation And Maintenance - Uniden PRO 520XL Owner's Manual

OPERATION AND MAINTENANCE

NOTE: FCC rules reserve Channel 9 for motorist assistance and other
emergency communications. Channel 9 should only be used in situations
where there is immediate danger to the safety of individuals or the
protection of property.
Make sure you read and understood part 95 of the FCC rules and
regulations before using the transmitter.
Turning the
Turn the Volume knob clockwise until the display backlight comes on.
radio on
Turning the
Turn the Volume knob counter-clockwise until it clicks and the display
radio off
backlight turns off.
Selecting a
Turn the Channel knob clockwise to move up the channel list. Turn it
channel
counter-clockwise to move down the channel list.
Changing the
Turn the Volume knob clockwise to increase the volume; turn it
volume
counter-clockwise to decrease the volume.
– Tune the radio to the channel you want to transmit on, and listen to
– Press and hold the PTT button.
Transmitting
– Hold the microphone about 2 inches away from your mouth and
– Release the button to listen for a response.
– Move the PA switch up; this turns off the CB radio and activates the
– On the microphone, press and hold the PTT button.
Using the PA
– Hold the microphone about 2 inches away from your mouth and
feature
– When you're finished broadcasting, release the button and move the
– To filter out weaker signals and background noise, turn the knob
Adjusting the
squelch level
– To decrease the squelch level so you can hear weaker radio signals,
– Turn the knob clockwise to boost the reception of weak signals, or
Adjusting the – In areas where strong signals cause noise and distortion, reduce the
RF gain
– In areas where weaker signals are difficult to hear, increase the RF
Using the
– Move the CH9 switch up; the radio automatically tunes to channel 9
Instant
Channel 9
– Move the switch back down to return to the previous channel and
feature
make sure the channel is clear.
speak in a normal voice.
PA speaker.
speak in a normal voice. Use the Volume knob to adjust the volume
of the PA speaker.
PA switch back down.
clockwise to increase the squelch level.
turn the knob counter-clockwise.
counter-clockwise to reduce the reception of strong signals.
RF gain (turn the knob counter-clockwise).
gain (turn the knob clockwise).
and disables the channel selector.
enable the channel selector.