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Sheet 1

Page 5

INSTALLATION

Connect the microphone

Align the microphone connector with the jack on the front of the radio. 

Push the connector in firmly and secure it with the locking screw.

Connect the power

You can connect the radio to any standard 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 contact the manufacturer.

WARNING! DO NOT connect this equipment to a power supply if you 

are not absolutely certain of the grounding type!

1)  Make sure your power supply is turned off.
2)  For power supplies with a NEGATIVE ground, connect the RED 

lead on the radio to the power supply’s POSITIVE (+) pole, and 

connect the BLACK lead to the power supply’s NEGATIVE (–) pole 

or to a neutral ground such as the chassis. 

OR 

For power supplies with a POSITIVE ground, connect the BLACK 

lead on the radio to the power supply’s NEGATIVE (–) pole, and 

connect the RED lead to a neutral ground such as the chassis. 

3)  Turn on your power supply.
4)  Turn the radio’s 

Volume

 knob clockwise to power on the radio.

Installing the mounting bracket

When choosing the location for the radio’s mounting bracket, keep the 

following things in mind:

 

► Pick a location that does not block your view, interfere with your 

vehicle’s controls, or hinder your driving.

 

► Make sure the radio and microphone are not in front of an airbag.

 

► Pick a solid surface that can support the weight of the bracket and 

the radio. 

 

► Make sure there’s enough room. (You may want to put the radio in 

the bracket when you’re choosing where to install the bracket.) 

Once you choose the location, use the included, self-tapping screws 

to attach the mounting bracket and the microphone bracket to your 

vehicle (you don’t have to drill holes). Slide the radio into the bracket 

and use the included knobs to hold it at the preferred angle.  

Summary of Contents for PRO 520XL

Page 1: ...PRO 520XL Professional Mobile CB Radio UTZZ01363ZA 0 Printed in Vietnam...

Page 2: ...y Uniden you may be in violation of FCC technical regulations in Part 95 or type acceptance requirements in Part 2 of the FCC rules CB license requirement U S users no longer need to apply for a licen...

Page 3: ...u must use a CB antenna sold separately with this radio PARTS OF THE RADIO Front 1 PA Switch Activates the Public Address feature see Connecting external speakers 2 ANL Switch Activates the Automatic...

Page 4: ...ption 11 Channel Selector Selects which channel the radio will transmit or receive on Back 12 Model label Shows the model number FCC ID number and serial number 13 Antenna Connector Connects to a male...

Page 5: ...ower supplies with a POSITIVE ground connect the BLACK lead on the radio to the power supply s NEGATIVE pole and connect the RED lead to a neutral ground such as the chassis 3 Turn on your power suppl...

Page 6: ...ust the antenna until the SWR is as close as 1 1 as possible 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...

Page 7: ...voice Release the button to listen for a response Using the PA feature Move the PA switch up this turns off the CB radio and activates the PA speaker On the microphone press and hold the PTT button Ho...

Page 8: ...our vehicle s electrical system Poor reception 1 Adjust the squelch level 2 Check the antenna cable and connectors 3 Check operation mode of the radio Background noise 1 Turn on the automatic noise li...

Page 9: ...ass B amplitude modulation Freq Response 300 2500 Hz Output Impedance 50 ohms unbalanced Receiver Sensitivity 0 5 V for 10 dB S N N typical limit 1 0 V Selectivity 6 dB 7kHz 70 dB 10kHz typical Image...

Page 10: ...nty to the original user shall terminate and be of no further effect 24 months after the date of original retail sale The warranty is invalid if the Product is A damaged or not maintained as reasonabl...

Page 11: ...structions in the owner s manual you are certain that the Product is defective pack the Product carefully preferably in its original packaging The Product should include all parts and accessories orig...

Page 12: ......

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