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UBC144XLT
16-Channel Base Scanner
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OPERATING GUIDE
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PRECA UTI 0 NS Before you read anything else, please observe the following: WARNING! Uniden DOES NOT represent this unit to be waterproof. To reduce the risk of fire or electrical shock, DO NOT exposethis unit to rain or moisture. Uniden- is a registered trademark of Uniden Corporation. . Bearca~ is a registered trademark of Uniden Corporation. !
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--- ~ I Table of Contents Introduction AboutScanning 2 TakingProperCareofYourScanner 3 Unpacking 3 Installation InstallingtheUBC144XLT 4 Operation ControlsandFunctions 5 ScanningOverview 7 Getting Started 7 AdjustingtheSquelch 8 Programming Tips 8 Programming Frequencies 9 AboutMemoryBack-up 9 Scanning 10 Direct Channel Access 10 CheckingtheProgrammedFrequency 11 WeatherChannelScan 11 Priority Scanning 12 ChannelLockout 12 About the Unit HelpfulHints 14 Troubleshooting 15 TechnicalSpecifications
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-- - --== Introduction About Scanning Scanning Scanning is easy and fun with the UBC144XL T 16-Channel Options 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 (see "Types of Communication" below) do not transmit continuously. The UBC144XL T scans programmed channels at the rate of about 15 channels per second until it locates an active frequency. When the scanning
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--- ~ '== TakingProperCareofYourScanner 1+1 . kitchen Do 'not use or bathroom. the scanner in high-moisture environments such as the I ~ . Avoid placing the unit in direct sunlight or nearheating elements or ~ vents. Unpacking Carefullycheckthecontents againstthislist: . U BC144XL T Base Scanner . Telescopic Antenna . ACAdaptor(Model AC-l44U) . ThisOperating Guide I@f If anyitemsaremissingor damaged, contactyourplaceof purchase immediately. I@f ReadthisOperatingGuidethoroughlybeforeoperatingthes
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-- - --- ~~- Installation Installingthe UBC144XLT Antenna Jack AC 1aV Jack AC Plug / Telescopic Antenna AC Adaptor Model AC-144U 1. Insert the DC plug end of the AC Adaptor into the AC 10 V jack on the scanner. 2. Plug the AC Adaptor into any standard 240 VAC wall outlet. 3. Plug the Telescopic 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 C8-ohm)into the EXT.SP.jack. N
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- ",- -=== ~ Operaticn Controls and Functions I 5 IDdI!n atKw:ot 1e CHANNa 8 BAND SCANNING RADIO UBCI4<4XL T 6 LQQCCU1' WEIICII-IM 0 ~@@ @@@ 1 (D@@ @OrE 3 '10 4 1 1. Numeric Use to program a frequency into each channel for scanning. Also, use for direct channel access with ~ . Keys 2. EnterKey Press CD to complete the programming of a frequency to the selected channel. CD 3. PRIORITY Key Press(PRiORITY)to turnPriority mode on or off. In Priority (PRiORITY) mode, the scanner samples Channel! ever
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-- -==== I~ 5. Channel Mode Display Display Current channel. Scan or Manual Channel that was current before was Weather pressed. Each numeric entry, decimal (-), and CD if Programming entry error. Review When (REVIEW)is pressed, displays programmed frequency, digit-by-digit. L Memory Loss P,when scannerstopson the PriorityChannel. Priority Press0iX) to find the local weather channel. 6. WXKey 0iX) 7. SQUELCH Adjust SQUELCHto set the scan threshold. When you are Control monitoring a single channe
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-= ;:::::;;:: Scanning Overview The UBC144XLT has 16 memory channels, each of which 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 16.) When you press C. SCAN),each of the programmed frequencies is scanned for an active frequency (channels that are locked out are skipped) at the rate of about 15 channels per second. When the scanning stops on an active frequency, it remains on that
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- ,_."" -=====: j.. - ~.~_N_' - ._-~ '= Adjusting the Squelch Open the squelch by turning SQUELCHclockwise to position 8 or 9. You should hear a steady sound (scanning stops). ~\ Now turn SQUELCHcounterclockwise slowly until the sound disappears. This is the threshold point at which scanning starts. At the squelch threshold, an incoming signal just slightly stronger than the noise will open the squelch. When squelch is open, you can hear the broadcast (scanning is stopped). If squelch is set too
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-~=-~ ---= <::: Programming Frequencies Before you can use your UBC144XL Tt you must follow these steps to program the channels, except weather frequencies. Example: Program 420.150 MHz into Channel 12. Press C. MANUAIJ to stop scanning. To select the channel (12), press CI), then (gJ on the Ci) G) CV numeric keypad. CD0 I Thenpress~ again. OJ Q Ci) Type in the frequency numbers, including the decimal G) CV point using the numeric keypad: 1)CD0 QCD CD (gJ @) CDCI) CI) @) The decimal point ( C!J)
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~-..... ~ -~=== '= Scanning Turn on the power, or press C. SCAN)to start scanning. (When the scanner is turned on, it is automatically in Scan mode.) Scanning stops on any active channel automatically, except those channels programmed with ~ . Scanning resumes automatically 2 seconds after the channel becomes inactive. Press C.MANUAL) anytime to stop scanning. When you press SCAN ~, you are out of Scan mode, and the scanner remains on the displayed channel. Pres~c:scAN) to start scanning again,
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--- <::::::c Checking the Programmed Frequency Press(REViEW) to check the frequency programmed in the display channel. Each digit of the frequency is displayed individually, and then the channel number returns. Repeat these steps to review additional frequencies in the other channels. Nbte . Ifyouentera frequencythatis notan exactstepwithintherange (e.g.,151.056 insteadof 151.055),thenearestcorrec(frequ:fnCY will automatically be stored and displayed when you press REVIEW. Weather Channel Scan (
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-- ,--"" .... -=== ; - .-- <:::::c Priority Scanning Your UBC144XL T has fixed Priority Channel, Channel I. Priority Scan works like a "dual watch" function. When you activate Priority Scan mode, the scanner starts "sampling," or keeping track of the activity on Channel 1 while listening to other channels. Every 2 seconds, the scanner checks Channel 1 for activity. If a signal is present, Channel 1 will be monitored until the transmission ends, and a constant "P" appears on the channel display.
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- ~'.'" -.i-,-, :r= --= <::: Restoring a To unlock a channel so that it can be monitored during Locked Out scanning: Channel Use 0ANUA0to find the locked out channel. SCAN Press ~ to unlock the displayed channel. REVIE The LOCKOUT LED for the displayed channel turns off. I 13
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-===== ~..~- "--' ,-, ... About the Unit Helpful Hints General Use . Turn the scanner off before disconnecting the power. . Always write down the programmed frequencies in the event of memory loss. . If memory is lost, simply reprogram each channel. The display shows IIL" when memory is lost. . Always press each keypad button firmly until you hear the entry tone for that key entry. Location . If strong interference or electrical noise is received, relocate the scanner or its antenna away from th
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-== -""~ --- <:'" Troubleshooti ng If yourUBC144XLT isnotperfonningproperly,trythestepslistedbelow. Solution Problem Scanner won't work . Check the connections at both ends of the AC Adaptor . Turn on the wall switch of your room. You could be using an outlet controlled by the wall s':V,itch . Move the AC Adaptor to another wall outlet . Check antenna connection Improper reception . Move or angle the antenna . If programmed frequency is higher than 406 MHz, a shorter antenna length may improve t
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<::: Technical .specifications 8 bands Band Coverage: 66.0-88.0MHz VHFLowBand F'rfttuencyCoverage: 137-144MHz LandMobile 144-148MHz 2 MeterAmateurBand 148-174MHz VHFHighBand Above bands in 5 kHz steps 406-420 MHz Land Mobile 420-450 MHz 70cm Amateur Band 450-470 MHz UHF Standard Band 470-512 MHz Land Mobile Above bands in 12.5 kHz steps 0.5 f.1 V 66-88 MHz Sensitivity (nominal) 0.4 f.1V137-174 MHz 121 dB SINAD: 0.6 f.1V406-512 MHz Selectivity (nominal): -6 dB at 180kHz
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~ ~ Warranty Uniden UBC144XLT Scanning Receiver Australian 1 Year Warranty Note: Please keep your sales docket as it provides evidence of warranty. WARRANTOR: Vniden Australia Pty. Limited ACN 001 865 498 ELEMENTS OF WARRANTY: Vniden warrants to the original retail owner for the duration of this warranty, its UBC144XLT Scanning Receiver (hereinafter referred to as the Product), to be free from defects in materials and craftsmanship with only the limitations of exclusions set out below. WARRANTY
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E -= <:::: unid~ne ~ @1994Uniden Austrnlia Pty. Limited All rights reserved \. UBZZOI236AZ Printed in the Philippines =~
