Installation; Connect The Microphone; Installing The Mounting Bracket - Uniden PRO 520XL Manual

NOTE: Make sure you have read and understood part 95 of the FCC
rules and regulations before using the transmitter.

Connect the microphone

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

INSTALLATION

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