INSTALLING YOUR RADIO
Preparation for Installation
This transceiver may be installed in any 12-volt negative ground-system car or truck� Most
current U�S� and foreign vehicles use a negative system, but some older models and some
newer large trucks may have a positive ground�
Check the requirements for your vehicle before you begin installation�
Generally, you have a negative-ground system if the negative ( - ) battery terminal is connected
to the engine block� Contact your dealer in the event you are unable to determine your
vehicle’s polarity system�
Mobile Installation
To install the tranceiver, select a safe, convenient location inside your vehicle that minimizes
danger to your passengers and yourself while the vehicle is in motion� Consider installing the
unit at an appropriate position so that knees or legs will not strike it during sudden braking of
your vehicle� Try to select a well ventilated location that is shielded from direct sunlight� Also
take into consideration the routing and length of the lead wires and cables to the power source,
and antenna�
1� Install the Mounting bracket in the vehicle using the supplied selftapping screws (2pcs) and
at washers (2pcs).
2� Position the tranceiver, then insert and tighten the supplied hexagon screws�
-Double check that all screws are tightened to prevent vehicle vibration from loosening the
bracket or DBR2500�
Car body
Washer (M5)
Tapping screw
(M5x20mm)
Mounting bracket
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