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UBC 248CLT
8 BAND, 50 CHANNEL SCANNER with AM/FM RADIO
• FULLY PROGRAMMABLE
• FULL FREQUENCY LCD READOUT
• ALARM CLOCK
• AM/FM RADIO
• CHANNEL LOCKOUT
• PRIORITY CHANNEL
• SCAN DELAY
• MEMORY BACKUP
• FREQUENCY SEARCH
Reference Guide
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Precautions Before you read anything else, please observe the following: Uniden DOES NOT represent this unit to be waterproof. To reduce the risk of fire or electrical shock, DO NOT expose this unit to rain or moisture. 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. ® ® Uniden and Bearcat are registered trademarks of Uniden Corpora
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Introduction TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 About Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Taking Proper Care of Your Scanner . . . . . . . . . . . . . . . . . .2 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Getting Started Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 In
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INTRODUCTION About Scanning Scanning is easy and fun with the UBC248CLT 50-Channel Base Scanner with AM/FM Radio. What is Scanning? Unlike standard AM or FM radio stations, most 2-way communications do not transmit continuously (see Types of Communication below). The UBC248CLT 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. Wh
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Many more in the 66-88MHz, 137-174MHz, and 406-512MHz ranges AM/FM radio You must program a frequency into each channel you want to use. 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 unplug the scanner for prolonged periods of time, lack of power will cause the clock to reset. Unpacking Carefully check the contents against this
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GETTING STARTED Installing the UBC248CLT AM RADIO ANT AC 10V ANT USE AC-144U ONLY EXT.SP Standard 240V AC Wall Outlet AC Adapter Model AC-144U 1. Insert the small plug at the end of the AC Adaptor cord into the AC 10V jack on the scanner. 2. Plug the AC Adaptor into any standard 240V AC 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 vertically. For UHF fre
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OPERATION Controls and Functions 7 8 9 10 11 1 6 2 LIMIT/ SEARCH HOLD/ 5 3 4 12 15 19 20 13 16 18 21 22 17 14 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 MANUAL key. And press for channel presets in Radio Mode 3. Decimal Key Press to enter the decimal point in the frequency. Also, use for clearing mistakes during entries by pre
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10. DELAY Key Turns Delay function. When Scan stops on a channel it causes scanner to remain on that channel for 2 seconds before the scanning resumes to wait for a possible reply. 11. ALARM Key Turns the Tone Alarm. Turns the Radio Alarm ON/OFF by pressing the key more than 2 seconds. 12. ALARM SET Key Press more than 2 seconds to enter the Alarm Time Set mode. 13. TIME SET Key Press more than 2 seconds to enter the Present Time Set mode. 14. TIME Key Press to review the clock time and cancel
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26 27 31 28 29 30 32 33 34 35 23. ALARM Appears when Alarm function is active. Flashes in the snooze function mode. 24. BANK Appears when in Scan Mode, Manual Mode. 25. 1-5 In Scan Mode, displays the bank being scanned. In Manual Mode, displays the bank number associated with the channel. 26. SCAN Appears when in Scan mode. 27. PRI Displays when priority function is active. 28. HOLD Displays when in Manual. 29. L/O Appears when the current channel is locked out. 30. RADIO Appears when in Radi
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Scanning Overview The UBC248CLT 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 32.) When you press SCAN, the UBC248CLT scans each programmed frequency for activity (skipping channels that are locked out) at the rate of about 12 channels per second. As the unit scans, the word SCAN moves across the display, and the bank number flashes. When the scanning
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CLOCK SET-UP 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 display flashes i2:00 P after a short delay. 2. Enter the time directly by pressing the numeric keys. OR Enter the time by pressing the LIMIT/ SEARCH HOLD/ or keys. To scroll through more quickly, press and hold or . 3. Press AM/PM to select the desired setting, ei
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USING THE SCANNER Set the Squelch 1. Turn SQUELCH fully clockwise to the highest setting. MIT/ SEARCH HOLD/ 2. Press SCANNER to turn on the scanner. 3. Adjust the VOLUME control until you can hear a steady noise. SEARCH HOLD/ 9
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4. To set the SQUELCH control to AUTO turn fully counter clockwise until control clicks into place. Or, manually set squelch as follows: Think of squelch as a gate. Turn SQUELCH fully counter clockwise. This raises the “Squelch Gate” so high that only very strong signals can get through. HOLD/ Turn SQUELCH fully clockwise until you hear a hiss. This lowers the “Squelch Gate” so that everything gets through — noise, weak signals, and strong signals. HOLD/ Turn SQUELCH back counter clockwise
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Programming Tips for Scanner Program one frequency per channel. Channel 1 is the location of the default priority channel. Program the most important frequency, or the one of major interest, into Channel 1. You may also select any other channel to be the priority channel. To quickly program a series of channels, start with the lowest number channel. For example, when you are programming five new frequencies into Channels 4 through 8, start with Channel 4. After you complete the programmin
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Programming Scanner Frequencies Before you can use your UBC248CLT scanner, you must program the channels. Follow these steps: Example: Program 420.0150 MHz into Channel 12. Press scanner button to switch to scan mode. 1. Press MANUAL to stop scanning. LIMIT/ SEARCH HOLD/ 2. To select the channel (12), press 1, then 2 on the numeric keypad. Then press MANUAL again. OR LIMIT/ SEARCH HOLD/ Press or until channel 12 appears in the display. 3. Type in the frequency numbers
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4. Press E to complete the entry. The channel digits stop flashing. Display shows ALARM Deleting a Scanner Frequency If you want to delete a stored frequency, follow these steps: Example: Delete the frequency in Channel 12. 1. Press MANUAL to stop scanning. LIMIT/ SEARCH HOLD/ 2. To select the channel (12), press 1, then 2 on the numeric keypad. Then press MANUAL again. LIMIT/ SEARCH HOLD/ OR Press or until channel 12 appears in
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4. The following screen appears. About Memory Back-up Your UBC248CLT 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. Scanning Mode Press SCAN. (When the scanner is first turned on, it is automatically in Scan mode.) Scanning automatically stops on any active channel, except those channels locked out. LIMIT/ SEARCH HOLD/ B
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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. The scanner remains on the displayed channel. Press MANUAL to step up to the next channel. If desired, you can press MANUAL repeatedly to manually scan all 50 channels, one press per LIMIT/ SEARCH HOLD/ channel, including the channels that are locked out
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Direct Channel Access for Scanner This feature allows you to instantly access a specific channel you want to monitor. Example: Select Channel 4. 1. Press MANUAL to exit scan mode. LIMIT/ SEARCH HOLD/ 2. Press 4. When you press 4, the display changes to 4, but the scanner still monitors the previous channel. 3. Press MANUAL again to successfully complete the direct access to Channel 4. Priority Scanning Priority Sca
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To Set the Priority Channel Your UBC248CLT 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. Example: To set Channel 5 as the priority channel. 1. Press MANUAL to exit the Scan Mode. LIMIT/ SEARCH HOLD/ 2. Press 5 and MANUAL for direct channel access. Or select channel 5 using the or keys.
