Uniden PRO505XL manual Operation and Maintenance, Basic operation

Notes

External monitor	PA speaker
The internal speaker is disabled	You must have a PA speaker
when an external speaker is	connected to use the PA
connected.	feature.

CAUTION: Make sure the SWR is less than 2:1 before using the radio. An SWR higher than 2:1 can damage the transmitter.

Your Uniden dealer can help you select the antenna that is best for your needs. Consult the specifications in the back of this manual for detailed transmitter and antenna information.

OPERATION AND MAINTENANCE

Basic operation

Turning the	Turn the Volume knob clockwise until the display backlight
radio on	comes on.
Turning the	Turn the Volume knob counter-clockwise until it clicks and the
radio off	display backlight turns off.
Selecting a	Press	or buttons to select a channel.
channel
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 make sure the channel is clear.
Transmitting	––Press and hold the PTT button.
	––Hold the microphone about 2 inches away from
	your mouth and speak in a normal voice.
	––Release the button to listen for a response.
	––Toggle the CB/PA switch to PA; this turns off the
	CB radio and activates the PA speaker.
	––On the microphone, press and hold the PTT
Using the PA	button.
	––Hold the microphone about 2 inches away from
feature	your mouth and speak in a normal voice. Use
	the	Volume knob to adjust the volume of the PA
	speaker.
	––When you’re finished broadcasting, release the
	button and move the CB/PA switch back to CB.
	––To filter out weaker signals and background noise,
Adjusting the	turn the knob clockwise to increase the squelch
	level.
squelch level	––To decrease the squelch level so you can hear
	weaker radio signals, turn the knob counter-
	clockwise.

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