Uniden BC 248CLT Reference Manual
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Uniden BC 248CLT Reference Manual

10 band, 50 channel scanner
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BC248clt.qxd
1/19/00
11:22 AM
Page 100
THANK YOU
F O R P U R C H A S I N G T H I S U N I D E N P R O D U C T !
© 1999 Uniden America Corporation
U B Z Z 0 1 2 9 9 Z Z
All rights reserved • Printed in Philippines
Covered under one or more of the following U.S. patents:
4,409,688 4,841,302 5,408,692 5,483,684 4,455,679 4,888,815 5,428,826 5,548,832
4,461,036 4,932,074 5,438,688 5,551,071 4,219,821 4,521,915 4,947,456 5,448,256 5,642,424
4,270,217 4,597,104 5,014,348 5,465,402 5,710,992 4,398,304 4,627,100 5,199,109 5,471,660
5,530,296 5,574,995 5,577,076 5,598,430 5,600,223

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  • Page 1 F O R P U R C H A S I N G T H I S U N I D E N P R O D U C T ! © 1999 Uniden America Corporation U B Z Z 0 1 2 9 9 Z Z All rights reserved •...
  • Page 2 BC248clt.qxd 1/19/00 11:22 AM Page 101 BC 248CLT 1 0 B A N D , 5 0 C H A N N E L S C A N N E R • FULL Y PROGRAMMABLE • FULL FREQUENCY LCD READOUT •...
  • Page 3 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. The installation, possession, or use of this scanning radio in a motor vehicle may be prohibited, regulated, or require a permit in certain states, cities, and/or local jurisdiction.

  • Page 4: Table Of Contents

    Getting Started ......... . . 3 Installing the BC248CLT .

  • Page 5: I N T R O D U C T I O N

    Unlike standard AM or FM radio stations, most 2-way communications do not transmit continuously (see Types of Communication below). The BC248CLT scans programmed channels at rate of up to 12 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.

  • Page 6: Taking Proper Care Of Your Scanner

    AM/FM radio You must program a frequency into each channel you want to use. If you do not have any known local frequencies to program, a Uniden representative should be able to provide you with a few sample frequencies. 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.

  • Page 7: Getting Started

    11:22 AM Page 3 GETTING STA R T E D Installing the BC248CLT 1 . Insert the small plug at the end of the AC Adapter cord into the AC 10V jack on the scanner. 2 . Plug the AC Adapter into any standard 120V AC wall outlet. Do not plug into an outlet controlled by a wall switch;...

  • Page 8: O P E R At I O N

    BC248clt.qxd 1/19/00 11:22 AM Page 4 O P E R AT I O N Controls and Functions 1. LCD Display Displays time, channel, frequency, and functions. (Page 6) 2. Numeric Keys Press to program a frequency into each channel for scanning. Also, press for time entries and direct channel access with M A N U A L k e y.

  • Page 9: Weather Alert 2

    BC248clt.qxd 1/19/00 11:22 AM Page 5 10. W X / A L E RT K e y Selects Weather Mode. Also Selects Weather Alert ON/OFF. 11. ALARM K e y Turns the Tone Alarm. Turns the Radio Alarm ON/OFF by pressing the key more than 2 seconds.
  • Page 10 BC248clt.qxd 1/19/00 11:22 AM Page 6 22. A L A R M Appears when Alarm function is active. Flashes in the snooze function mode. 23. B A N K Appears when in Scan Mode, Manual Mode and Weather Mode. 24. 1 - 5 In Scan Mode, displays the bank being scanned.

  • Page 11: Scanning Overview

    11:22 AM Page 7 Scanning Overview The BC248CLT has 50 memory channels. Each can be programmed to store one frequency within the band of frequency coverage. (For a listing of frequency ranges and bands, see Technical Specifications on page 28.) When you press SCAN, the BC248CLT scans each programmed frequency for activity (skipping channels that are locked out) at the rate of about 12 channels per second.

  • Page 12: Clock Set-Up

    BC248clt.qxd 1/19/00 11:22 AM Page 8 CLOCK SET- U P Initial Clock Set-up You may bypass the steps to set the clock. The scanner will function as normal, but the clock and alarm features will not function. 1 . When power is initially applied, the...

  • Page 13: Using The Scanner

    BC248clt.qxd 1/19/00 11:22 AM Page 9 USING THE SCANNER Set the Squelch 1 . Turn S Q U E L C H fully clockwise to the highest setting. 2 . Press S C A N N E R to turn on the scanner.
  • Page 14 BC248clt.qxd 1/19/00 11:22 AM Page 10 4 . To set the S Q U E L C H control to A U TO turn fully counterclockwise until control clicks into place. Or, manually set squelch as follows: Think of squelch as a gate. Turn S Q U E L C H fully counter clockwise. This raises the “Squelch Gate”...

  • Page 15: Programming Tips For Scanner

    BC248clt.qxd 1/19/00 11:22 AM Page 11 5 . The scanner automatically starts scanning. But if you have not programmed any channels yet, press W X to hear your local weather broadcast. 6 . Adjust V O L U M E to a comfortable listening level.

  • Page 16: Programming Scanner Frequencies

    11:22 AM Page 12 Programming Scanner Frequencies Before you can use your BC248CLT scanner, you must program the channels (except weather frequencies). Follow these steps: E x a m p l e : Program 420.150 MHz into Channel 12. 1 . Press M A N U A L to stop scanning.

  • Page 17: Deleting A Scanner Frequency

    BC248clt.qxd 1/19/00 11:22 AM Page 13 4 . Press E to complete the entry. The channel . digits stop flashing. Deleting a Scanner Frequency If you want to delete a stored frequency, follow these steps: E x a m p l e : Delete the frequency in Channel 12.

  • Page 18: About Memory Back-Up

    4. The following screen appears. About Memory Back-up Your BC248CLT has a convenient memory back-up system. In the event of a power failure, the scanner will retain channel information for an indefinite amount of time. Channel information is stored in non-volatile memory.

  • Page 19: Manual Mode

    BC248clt.qxd 1/19/00 11:22 AM Page 15 To restore the bank number, press the number on the keypad. The bank number appears in the display. The bank number associated with channel currently being monitored flashes. Manual Mode Press MANUAL any time to stop scanning.

  • Page 20: Direct Channel Access For Scanner

    BC248clt.qxd 1/19/00 11:22 AM Page 16 Direct Channel Access for Scanner This feature allows you to instantly access a specific channel you want to monitor. Example: Select Channel 4. 1 . P r e s s M A N U A L to exit scan mode.
  • Page 21 Page 17 To Set the Priority Channel Your BC248CLT has one default Priority Channel per bank. Each priority channel is, set at the first channel in the bank. To change the priority channel determine the frequency most important to you and program it into the desired channel location.

  • Page 22: Channel Lockout

    BC248clt.qxd 1/19/00 11:22 AM Page 18 Channel Lockout You can lock out a channel so it is not scanned. Channel Lockout does not erase the frequency from the channel. You can lock out up to 50 channels, including the Priority channel.

  • Page 23: Restore All Locked Out Channel

    BC248clt.qxd 1/19/00 11:22 AM Page 19 2 . Press L O C K O U T again to unlock the displayed channel. no longer appears in the display. Restore All Locked Out Channel To unlock all channels, you must be in the Manual Mode.

  • Page 24: To Set Delay In Scan Mode

    BC248clt.qxd 1/19/00 11:22 AM Page 20 To Set Delay in Scan Mode 1. Press SCAN. 2. When your scanner stops on a channel, press DELAY. DLY appears in the display and scanning resume 2 seconds after the transmission ends. To Set Delay in Manual Mode 1.

  • Page 25: Weather Channel

    1/19/00 11:22 AM Page 21 Weather Channel The BC248CLT allows you to search from 7 pre-programmed NOAA channels for your local NOAA weather channel. Press WX/ALERT to find the active weather channel in your area. WX icon appears in the display.

  • Page 26: Weather Alert

    BC248clt.qxd 1/19/00 11:22 AM Page 22 Weather Alert In Weather Alert Mode, your scanner functions as a severe weather warning radio. This is especially useful when your area is expecting severe weather conditions late at night. When you set the scanner to Weather Alert Mode, it emits a loud siren whenever your local NOAA weather station broadcasts a severe weather emergency tone.

  • Page 27: Additional Features

    BC248clt.qxd 1/19/00 11:22 AM Page 23 ADDITIONAL FEAT U R E S LCD Backlight The LCD Backlight comes on when the power is applied. In Scan Mode, Manual Mode, and Weather Mode, the backlight stays on bright continuously. In the other modes, the backlight stays bright for ten seconds and then switches to dim.
  • Page 28 BC248clt.qxd 1/19/00 11:22 AM Page 24 3. Press to set the desired frequency. t or s The channel number flashes. Continue to press to step through the t or s frequencies in 100kHz steps. Or, press and hold to step through the t or s frequencies more quickly until 92.5000MHz...

  • Page 29: Deleting A Stored Radio Frequency

    BC248clt.qxd 1/19/00 11:22 AM Page 25 Deleting a Stored Radio Frequency If you want to delete a stored frequency, follow these steps: E x a m p l e : Delete the frequency in Channel 9. 1 . Press R A D I O A M / F M to enter into the Radio M o d e .

  • Page 30: Resest The Clock Time

    BC248clt.qxd 1/19/00 11:22 AM Page 26 Reset the Clock Ti m e 1 . After the scanner has been turned on, to reset the clock time simply press and hold the T I M ES E T k e y. The display digits flash.

  • Page 31: Set The Alarm Time

    BC248clt.qxd 1/19/00 11:22 AM Page 27 Set the Alarm Time There are two types of alarm sounds with this scanner., Tone Alarm and Radio Alarm. Both types set the alarm time in the same manner. 1 . After the clock time has been entered,...

  • Page 32: Set Alarm To Tone Mode

    BC248clt.qxd 1/19/00 11:22 AM Page 28 4 . Press E to complete the entry. 5 . A L A R M indicator and time stop flashing, but remain on. 6 . The alarm time remains in the display for five seconds, then returns to current time.

  • Page 33: Turn The Alarm Off

    BC248clt.qxd 1/19/00 11:22 AM Page 29 Turn the Alarm Off Press ALARM to deactivate the alarm function. When the alarm is off, the ALARM indicator and current alarm time are no longer displayed. Only the current time displays. If you would like to listen to the scanner while waking up, turn the scanner on.

  • Page 34: Set Alarm To Radio Mode

    BC248clt.qxd 1/19/00 11:22 AM Page 30 Set Alarm to Radio Mode Before you set the Radio Alarm, make sure the AM or FM channel is selected and the V O L U M E control is set to the desired level.

  • Page 35: About The Unit

    Press S C A N t o resume scanning. If you still cannot get satisfactory results and want additional information, or to return the unit for service, please call the Uniden Customers Service Division at the number on Page 33.

  • Page 36: Tr O U B L E S H O O T I N

    1/19/00 11:22 AM Page 32 T R O U B L E S H O O T I N G If your BC248CLT is not performing properly, try the following steps. Problem Solution Scanner won’t power up. Check the connections at both ends of the AC Adapter.
  • Page 37 If you need any assistance with this product, please call our Customer Hotline at: 1-800-297-1023 PLEASE DO NOT RETURN THIS PRODUCT TO THE PLACE OF PURCHASE. Our Uniden representatives will be happy to help you with any matters regarding the operation of this unit, available accessories, or any other related matters.

  • Page 38: Technical Specifications

    BC248clt.qxd 1/19/00 11:22 AM Page 34 TECHNICAL SPECIFICAT I O N S Certified in accordance with FCC Rules and Regulations Part 15 Sub-part C as of date of manufacture. Band Coverage: 10 bands plus Weather Channel and AM/FM Radio Frequency Coverage: Scanner 29.0-29.7 MHz 10 Meter Amateur Band...
  • Page 39 BC248clt.qxd 1/19/00 11:22 AM Page 35...

  • Page 40: Tw O - Year Extended Wa R R A N T

    WARRANTOR: UNIDEN AMERICA CORPORATION (“Uniden”) ELEMENTS OF WARRANTY: Uniden warrants, for two years, to the original retail owner, this Uniden Product to be free from defects in materials and craftsmanship with only the limitations or exclusions set out below. WARRANTY DURATION: This warranty to the original user shall terminate and be of no further effect two years after the date of original retail sale.
  • Page 41 BC248clt.qxd 1/19/00 11:22 AM Page 37...
  • Page 42 BC248clt.qxd 1/19/00 11:22 AM Page 38...

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