Uniden BC244CLT Manuale utente

COVER

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About Scanning

Scanning Options

Scanning is easy and fun with the BC244CLT 30-Channel Base Scanner. You can

scan in 2 ways:

■Scan channels you have programmed

■Scan pre-programmed weather channels.

Unlike standard AM or FM radio stations, most 2-way communications do not

transmit continuously (see Types of Communication below).

The BC244CLT scans programmed channels at the rate of about 15 channels per

second until it locates an active frequency. When the scanning stops on an active

frequency, it remains on that channel as long as the transmission continues. When

the transmission ends, the scanning cycle resumes until another transmission is

received. You can set a 2 second delay (refer to 2 Second Delay, page .)

Types of Communication

You can monitor communications such as:

■Police and fire department (including rescue and paramedics)

■NOAA weather broadcasts (7 pre-programmed channels)

■Business/industrial radio

■Motion picture and press relay

■Utility

■Land transportation frequencies such as trucking firms, buses,

taxis, tow trucks, and railroads

■Marine and amateur (ham radio) bands

■And many more in the 29-54MHz, 137-174MHz, and 406-512MHz ranges

You must program a frequency into each channel you want to use. If you do not

INTRODUCTION

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have any known local frequencies to program, call the 800 number on the

yellow sheet enclosed in this package. A Uniden representative should be able to

provide you with a few sample frequencies. Or, use the enclosed order form to

purchase a local frequency list.

Where to Obtain More Information

The Bearcat Radio Club and other similar hobby clubs have publications,

information on computer bulletin boards, and contests for the radio enthusiast.

See the enclosed printed material for more information. Additional information is

also available through your local library.

Taking Proper Care of Your Scanner

■Do not use the scanner in high-moisture environments such as the kitchen

or bathroom.

■Avoid placing the unit in direct sunlight or near heating elements or vents.

■Do not plug the scanner into an outlet controlled by a wall switch as

prolonged periods without power causes clock reset.

Unpacking

Carefully check the contents against this list:

■BC244CLT Base Scanner

■Telescoping Antenna

■AC Adapter (Model AC-244U)

■This Reference Guide

■Registration Form (in this Reference Guide)

■Frequency Directories Order Form and other printed information

☞If any items are missing or damaged, contact your place of purchase

immediately.

☞Complete and mail your Registration Form immediately.

☞Read this Reference Guide thoroughly before operating the scanner.

Changes or modifications to this product not expressly approved by Uniden, or

operation of this product in any way other than as detailed by this Reference

Guide, could void your authority to operate this product.

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Installing the BC244CLT

1. Insert small plug at the end of the AC Adapter cord into the AC 12V jack on the

scanner.

2. Plug the AC Adapter into any standard 120VAC wall outlet. Do not plug into an

outlet controlled by a wall switch; it could cause clock reset.

3. Plug the Telescoping Antenna into the ANT. jack. Extend the antenna to its full

height. For UHF frequencies, shortening the antenna may improve the reception.

4. Plug an optional external speaker (8-ohm) into the EXT. SP. jack.

If you are operating the scanner in the fringe area or need to improve reception, use

an optional antenna designed for multi-band coverage. (You can purchase this type

of antenna at a local electronics store.) If the optional antenna has no cable, use 50-

70 ohm coaxial cable for lead-in. A mating plug may be necessary for the optional

antennas.

If your scanner receives strong interference or electrical noise, relocate the scanner

or its antenna away from the source.

INSTALLATION

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Controls and Functions

1. LCD Display Displays channel frequency and functions.

2. Numeric Keys Use to program a frequency into each channel for scanning. Also,

use for time entries and direct channel access with

MANUAL

key.

Key Use to complete the entry whether it be programming of a

frequency to the selected channel or setting the time.

TIME

Key Use the TIME key to view and set time

.LOCKOUT

Key Use to prevent scanning of the displayed channel. The LCD

display indicates L/O when channel is locked out. Lockout is

retained in memory. Press

LOCKOUT

again to unlock the channel.

Lockout is active only when the scanner stops on an active channel

or a channel selected in Manual Mode.

6. tKey The down arrow key allows you to scoll down through the options.

SCAN

Key Use to start scanning mode.

ALARM

Key Press ALARM to set the time for the alarm to sound.

AM/PM

Key Press AM/PM to indentify AM or PM while setting the time or

alarm.

OPERATION

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10.

PRIORITY

Key Use to turn Priority mode on or off. In Priority

mode, the scanner samples the designated Priority

Channel every 2 seconds, regardless of any other

mode the scanner is in. If a transmission on

designated Priority Channel is detected, the scanner

monitors that channel until no signal is present.

Priority mode cancels when you turn off

your scanner.

11.

MANUAL

Key Use to stop scanning. Press

MANUAL

again to step to

the next channel. Also, use for direct channel access

by first entering the channel number and then

pressing

MANUAL

to go directly to that channel.

12. sKey The up arrow key allows you to scoll up through

the options.

13.

Key Use to set in Weather Mode.

14.

ON/OFF

Key Use to turn scanner on or off.

15.

VOLUME

Control Turn VOLUME clockwise to increase the volume. Turn

counterclockwise to decrease the volume.

16.

SQUELCH

Control Adjust SQUELCH to set the scan threshold or use

AUTO for the factory setting.

Scanning Overview

The BC244CLT has 30 memory channels; each can be programmed to store 1

frequency within the band of frequency coverage. (For a listing of frequency

ranges and bands, see Technical Specifications on page.)

When you press

SCAN

, the BC244CLT scans each programmed frequency for

activity (skipping channels that are locked out) at the rate of about 15 channels

per second. As the unit scans, the word SCAN moves across the LCD display.

When the scanning stops on an active frequency, it remains on that channel as

long as the transmission continues.

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Initial Clock Set-up

1. When power is initially applied, the LCD

display flashes 12:00 P after a short delay.

2. Enter the correct time using the

numeric key or s/tkeys.

3. Press

AM/PM

Key to toggle to desired setting,

either AM or PM.

4. Press

Key to complete the entry.

After scanner has been turned on, to reset the clock simply press and hold the

TIME SET

key. The LCD display flashes the indicated time. Set the clock as directed

above.

You may bypass the steps to set the clock. Scanner will function as

normal, but the clock and alarm features will not function. These

features will not be functional until the power is removed and

restored again.

GETTING STARTED

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Set the Alarm

1. After clock has been set up, press and

hold the

ALARM

key until the time indicated

and ALARM Icon in display flashes.

2. Enter the correct time using the

numeric key or s/tkeys.

3. Press

AM/PM

Key to toggle to desired setting,

either AM or PM.

4. Press

Key to complete the entry.

5. ALARM Icon stops flashing.

BC244clt.qxd 2/10/99 3:34 PM Page 9

Alarm will sound as a series of beeps gradually growing louder. Alarm will

continue for approximately 15 minutes if no action is taken. To activate the

snooze function simply press any key. The alarm will silence but will continue to

activate at 9 minute intervals for approximately an hour.

To turn the alarm function off, press the

ALARM

key. ALARM Icon in display

extinguishes.

Set the Squelch

1. Turn SQUELCH fully clockwise to

the highest setting.

2. Press

ON/OFF

key to turn on the scanner.

2. Adjust the

VOLUME

control to where you

can hear a steady noise.

The snooze alarm continues to operate while Scanner is turned on and in any

mode, if you would like to listen to the scanner while waking up.

BC244clt.qxd 2/10/99 3:34 PM Page 10

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