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Welcome!
Tothewortdof sophisticated,miCroprocessorcontrolledCB radio communications. Your Uniden
PRO 640XL represents the most advanced mobile radio ever designed for use in the Citizens
Band Radio Service. Itwill operate on any of the 40 AM, 40 USB or 40 LSB frequencies authorized
by the Department of Transport and Communications (DOTAC). Your PRO 640 XL features a
superheterodyne circuit with PHASE LOCKED LOOP techniques to assure precise frequency
control. This radio has been type accepted and certified by the DOTAC.
WARNING
Before transmitting with your transmitter, you must obtain a Department of Transport and
Communications Citizens Band Radio
(CBRS) license. Obtain a brochure and a caRS Ucense
Application Form at your nearest DOTAC office. Mail the completed application form and the
appropriate fee to the Supenntendent Regulatory of licensing in the State of Territory in which
the station
willbe operated.
CONNECTING THE POWER CORDS
With regard to the connection of the power cords, it may be possible or desirable
to connect the red lead (fornegative ground systems) orthe black lead (forpositive
ground systems) to the ignition switch accessory terminal so that the radio isauto-
matically turned off when the ignition switch (key) is turned off.
Alternately, the power lead maybe connected to an available terminal on the fuse
block or even to a point in the wiring harness. Care must be taken, however, to
guard against a short circuit condition. When in doubt, please contact your vehi-
cle dealer for specific information about your vehicle.
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