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To begin the process, it is first necessary to remove the scanner’s outer metal sleeve from the
inner chassis. Unthread the four screws in the rear of the unit. Slide the cover toward the rear and
off. Once the sleeve is removed, you will see threaded, metric machine screw holes on either side
of the chassis cabinet. Uniden does not supply these screws. Their diameter, length, and screw
type should be chosen by a qualified installer based on the internal vehicle bracket which will be
used in securing the scanner chassis.
Once the original radio is removed from the vehicle dash and the fit of the scanner is correct,
be sure to connect all the power, audio, antenna, and any other cables or wires, to the scanner
before the scanner is secured.
The following illustration is a typical example of the ISO technique and the general side mounting
screw holes often encountered. It does not actually represent the Uniden scanner nor your
vehicle’s mounting bracket. Only a professional installer will be able to determine the best and
correct approach.
Removing the Display Sticker
Before you use the scanner for the first time, remove the protective plastic film over the display.
Connecting an Optional Antenna
The scanner’s BNC connector makes it easy to connect a variety of optional antennas, including
an external mobile antenna or outdoor base station antenna.
Note: Always use 50-ohm, RG-58, or RG-8, BNC terminated coaxial cable to connect
an outdoor antenna. If the antenna is over 50 feet from the scanner, use RG-8 low-loss
dielectric coaxial cable. Cable loss increases with higher frequency.
Connecting an Earphone/Headphone
For private listening, you can plug a 1/8-inch (3.5 mm) mini-plug earphone or headphones (not
supplied) into the headphone jack on the front of your scanner. This automatically disconnects the
internal speaker. See the Earphone Warning for important information about using an earphone/
headphone.
WARNING!
Never connect anything other than the recommended amplified extension speaker to the
scanner’s headphone jack. Damage to the scanner might occur.
Connecting an Extension Speaker
In a noisy area, an optional amplified extension speaker, positioned in the right place, might
provide more comfortable listening. Plug the speaker cable’s 1/8-inch (3.5-mm) mini-plug into your
scanner’s back panel Ext. Sp. Jack.
