Uniden BC 50XL User Manual

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HAND HELD
PROGRAMMABLE

SCANNER

.CRYSTAL FREE

.CUSTOM ANTENNA

.AUTOMATICLOCKOUT

.TRACK TUNING

.DIRECT CHANNEL

ACCESS

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AGENCIES PTY. l TDo

CONGRATULATIONS

and welcome to the world of computerized radio scanning. The Uniden@ Bearcat'"
50XL is the result of years of research and development, and incorporates many
unique. state-of-the-art design concepts. Microelectronics allows so many
sophisticated features to be included in such a small, styish unit. The
Uniden@ Bearcat'" 50XLuses the most recent technological advances to satisfy
the highest performance standards that can be achieved in a hand held unit. The
custom integrated circuits, microprocessor, liquid crystal display, and other com-
ponents have been designed to give the Uniden'O)Bearcat'~ 50XL high quality per.
formance while maintaining Iow battery drain.

Uniden, one of the world leaders in radio scanners, has designed and manufac-
tured this unit to give you years of trouble free use. We are sure you will be proud
to own the Uniden@ Bearcat'" 50XL, and to insure that you get the most out of
all the features, please read this operating guide completely before using your
scanner. If you have any questions or comments about the Uniden@ Bearcat'-
50XL please write the Uniden Customer Service Center listed on the back of this
guide. Be sure to include your model and serial number.

TABLE OF CONTENTS

.. '. 4

, , 5,6,7

.7,8,9,10

" 12
13,14

, . ' . , 15

9, 10

3

,4

11

Technical Specifications.

Unpacking Your Unit. . . . .. ..

Battery and Antenna Installation
Controls and Functions

Operation. . .

Helpful Hints. . . .

Trouble Shooting. . . .

Optional Accessories.
Frequency Allocations

Notes....

Warranty ,

,Back Cover

All Uniden@ Bearcat'. radio scanners are certified in accordance with FCC
Rules and Regulations Part 15 as of the date of manufacture.

UNIDEN DOES NOT REPRESENT THIS UNIT TO BE WA TER-PROOFED, TO REDUCE THE
RISK OF ELECTRICAL SHOCK, FIRE HAZARD, OR DAMAGE TO THE UNIT. DO NOT
EXPOSE TO RAIN OR MOISTURE.

For future reference, write in the model number and serial number below. You
will find them on the back of the unit.

Model No.
Purchased from:

WARNING

Serial No.

Date

2

TECHNICAL SPECIFICATIONS

Size:

2-5/8"W x 1-3/8"D x rH

Weight:

Cabinet:

Antenna:

RF Sensitivity:

IF Selectivity:

Audio Output:

Frequency Coverage:

Scan Speed:

Channel Capacity:

lockout:

Display:

Accessories:

Options:

10.5 oz.
High impact ABS

Power:

7.5 VDC provided by 5 AA size standard
batteries (not included), optional NiCad
rechargeable battery pack or AC

Adaptor AD 100U.

Custom designed flexible antenna with
BNC connector.

Low band 0.4 uv for 12 dB SINAD

High band 0.5 uv for 12 dB SINAD
UHF band 0.7 uv for 12 dB SINAD

(typical midband, from 50 ohm source,
E.IA method)

-55 dB @ t 25 kHz

400 Milliwatts into 8 ohms
29-29.7 MHz-10 Meter Amateur Band

29.7-50 MHz-Low Band

50- 54 MHz-6 Meter Amateur Band

136-144 MHz-Military Land Mobile
144-148 MHz-2 Meter Amateur Band

148-174 MHz-High Band
406-420 MHz-Federal Gov't. Mobile
420-450 MHz-70cm Amateur Band
450-470 MHz-UHF Band
470-512 MHz-'T' Band

15 channels per second
10

Delay:

3 seconds (automatic)
Any channel(s) (selectable)
Liquid Crystal
Belt Clip
Rechargeable battery pack with battery

charger, vehicle power cord, earphone,
carrying case

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.

3

UNPACKING YOUR UNIT

Carefully remove the unit from the shipping carton and check the contents
against the following list:

. Uniden' Bearcat' 50XL

. BeltClip

. Flexible Antenna
. Battery Holder(for non rechargeablebattery)

.Operating Guide (read it and save)

If any of these items are missing or if there are signs of physical damage, DO
NOT attempt to operate the unit Notify your dealer or shipping earner
immediately.

NOTE:Keep theshipping carton and packing materials, as well as all theprinted
material. Thiscarton servesasanexcellent method to transport your new scan-
ner for service or any other reason.

BATTERY AND ANTENNA INSTALLATION

Please read the following instructions carefully and completely before operating

your scanner.

STANDARD NON-RECHARGEABLE BATTERIES

Open battery compartment by pressing on battery door where indicated and
slide off. Install 5, AA size non-rechargeable batteries in the separate holder.
Be sure that the t- and - terminals of the batteries are properly installed
Improper installation may result in damage to your unit. Replace the battery
compartment door by sliding it back into place

NOTE. 00 not use RECHARGEABLE BATTERIES' Your scanner WILL NOT WORK
if you install AA size RECHARGEABLE BATTERIES. Use only the Un/den model

BP 50 or BP 55 rechageable battery pack.
CAUTION: When charging, be sure to turn power switch off. Use only UNIDEN

Model AD-100U battery charger. Charging time with AO-100U is approximately
as below.

Batterypack BP-50: 7- 8 hours
Batterypack BP-55' 15- 16hours

Do not charge NiCad battery for more than above standardtime, as otherwise
it will create damageor overheating of battery.

RECHARGEABLE BATTERY PACK

You can purchase an optional NiCad battery pack from your local dealer or
from Uniden. The rechargeable battery pack fits into the battery compartment
and also comes with a battery charger. You can use your Uniden" Bearcat'
50XL for years without ever having to buy batteries.

4

WARNING:DO NOT ATTEMPT TO RECHARGENON-RECHARGEABLEBAT-
TERIES!Before attempting to recharge batteries, open battery compartment

and check the type of batteries installed. Recharge only the Nickel Cadmium

rechargeable battery pack designed for this unit.Any other rechargeablebattery
will not workproperly

Externalpower jack: Use only AO-100U AC adaptor,12Volt,polarity or PS-OO1
external power plug.
Any other AC adaptor or external power plug having over voltage or reversed
polarity, may create overheating or damageto circuitry.

BATTERYREPLACEMENT

Whenever you replace your batteries, you must turn the radio off and im-
midiately replace them with new batteries to avoid memory loss.

INSTALLING THE ANTENNA
Insert the connector end of the flexible antenna provided into the receptacle

on top of the unit and finger tighten
An external antenna may be helpful in fringe areas.Always use50-70ohm coax-
ial cable for lead-in. For lengths in excess of 50 feet, RG8AU Iow-loss foam
dielectric coax is recommended. Your scanner is equipped with a standard BNC
connector. You may need an adapter (optional) or other type of mating plug
for proper connection.

CONTROLS AND FUNCTIONS

TOP PANEL FEATURES (Figure 1)

1. OnlOff Volume Control: Top mounted rotary control turns the receiver on
and off, and adjusts the volume.

2. Squelch: Top mounted rotary control is used to silence background noise.
The radio should be squelched (silent) when no signal is present. Turn the
control clockwise to receive more distant (weaker) signals.

3. Antenna Connector: BNC connector for custom flexible antenna.

4. Earphone Jack: Connect earphone for private listening. When earphone
is connected, main speaker is disconnected.

EAR PH. SQUELCH

~@

50XL

Figure 1

5