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4

Front

No.

Name

Details

1

CB/PA 

Switch

Switches between CB Radio and PA systems

2

Volume/

Power

Adjusts the volume.

Turns radio on and off.

3

4-Pin Mic 

Plugs in microphone

4

CH9 

Sets the radio to CH9 (Emergency).

5, 6

Channel 

Selectors

Press   or   to select which channel the radio will transmit 

or receive on.

7

Squelch 

knob

Adjusts the level at which the radio squelches or suppresses 

weak radio signals

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. 

Back

No. Name

Details

8

Antenna 

Connector

Connects to a male PL-259 external antenna cable 

(antenna sold separately).

9

PA Speaker 

Jack

See Connecting external speakers, page 6.

10

External 

Speaker Jack

See Connecting external speakers, page 6.

PARTS OF THE RADIO

1

4

3

2

7

6

5

8

10

9

11

Summary of Contents for PRO505XL

Page 1: ...PRO505XL Professional Mobile CB Radio 2013 Uniden America Corp Printed in Vietnam Irving Texas U01UT386ZZA 0...

Page 2: ...standard s Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired...

Page 3: ...rts Department 800 554 3988 need special assistance due to a disability Accessibility Help Line 800 874 9314 voice or TTY During regular business hours Central Standard Time Visit our website for deta...

Page 4: ...squelches or suppresses weak radio signals NOTE FCC rules reserve Channel 9 for motorist assistance and other emergency communications Channel 9 should only be used in situations where there is immed...

Page 5: ...ndard 12 volt DC power source with either a positive or negative ground If you don t know whether your power supply uses a positive or negative ground consult the manual for your power supply or conta...

Page 6: ...r CAUTION Never operate your radio with no antenna or with a damaged antenna cable This can damage the radio You will need to purchase an antenna to operate the radio There are two basic types of mobi...

Page 7: ...to increase the volume turn it counter clockwise to decrease the volume Transmitting Tune the radio to the channel you want to transmit on and listen to make sure the channel is clear Press and hold...

Page 8: ...hings to try Radio won t turn on no power 1 Check the radio s power cord and all connections 2 Check the fuse in the radio s power cord 3 Check your vehicle s electrical system Poor reception 1 Adjust...

Page 9: ...dulation Class B amplitude modulation Freq Response 300 2500 Hz Output Impedance 50 ohms unbalanced Receiver Sensitivity 0 8 V for 10 dB S N N typical limit 1 6 V Selectivity 6 dB 7kHz 70 dB 10kHz typ...

Page 10: ...th the performance of this warranty Warrantor at its option may replace the unit with a new or refurbished unit THE LIMITED WARRANTY SET FORTH ABOVE IS THE SOLE AND ENTIRE WARRANTY PERTAINING TO THE P...

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