Uniden USC230 owner manual Using the Close Call Feature

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SC230 Paper OM 062206.fm Page 72 Friday, July 21, 2006 7:39 PM

Using the Close Call Feature

Your scanner's Close CallTM feature lets you set the scanner so it detects, displays the frequency of, and lets you hear a nearby strong radio transmission. You can set the scanner so the Close Call feature works "in the background" while you are scanning other frequencies, turn off normal scanning while the Close Call feature is working, or turn off the Close Call feature and use the scanner normally. You can set the scanner so it alerts you when the Close Call feature finds a frequency. You can also set the frequency band where you want the scanner to look for transmissions.

To turn Close Call detection on (CC DND, CC PRI) or Off,

press Func then . When the feature is on, appears on the display and normal operation is briefly interrupted about every 2 seconds.

Notes:

•CC DND (Do Not Disturb) - The scanner checks for a Close Call hit every 2 seconds only if the scanner is not currently stopped on a transmission. If the scanner is on a transmission the scanner waits until the signal ends to perform a Close Call check. This prevents breaks in audio during Close Call checks.

•CC PRI - Close Call works even if there is a transmission. Checks for a Close Call hit every 2 seconds.

•The Close Call feature works well for locating the source of strong local transmissions such as mobile and handheld two-way radios in areas with no other strong transmission sources. Several factors affect Close Call performance, however. Performance is increased with higher transmit power, receive antenna tuned to the target band, and a low background RF level. Other than the antenna, you have no control over these factors, but they explain why performance might vary by both location and time.

•The Close Call feature cannot detect satellite dishes or any transmitter with a frequency above or below the frequency ranges listed under “Setting Close Call Options” on Page 73.

Using the Close Call Feature

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Contents OWNER’S Manual Precautions PrecautionsSC230 Paper OM 062206.fm Page 3 Friday, July 21, 2006 739 PM Contents Using the Menu Programming Radio Systems Setting Close Call Options Close Call Hits Introduction IntroductionMode Step kHz SC230 Paper OM 062206.fm Page 9 Friday, July 21, 2006 739 PM Feature Highlights Feature HighlightsFeature Highlights Auto Store About This Manual How the Scanner’s Controls Are Represented in This ManualEntering Text What is Scanning? What is Searching?Understanding Scanning Understanding the Scanner’s MemoryWhat is CTCSS/DCS? Ctcss Frequencies Hz Using the Scanner at the Racetrack Conventional ScanningWhere To Get More Information Simplex OperationRepeater Operation Information On The Internet Included With Your Scanner Included With Your ScannerSetting Up Your Scanner Using Internal BatteriesUsing Rechargeable Batteries Setting Up Your ScannerUsing Non-rechargeable Batteries Setting Up Your Scanner Using AC Power Connecting the AntennaConnecting an Optional Antenna Connecting an Earphone/Headphone Connecting an Extension SpeakerAttaching the Belt Clip Installing the Demo Software Attaching the Wrist StrapLook At The Keypad Key Name Description+ 1-9, 0/Race Selects Rcl Look At The Display Using Menu Using FuncUsing the Scroll Control Turning On the Scanner Setting the Squelch Basic OperationScanning Systems Basic OperationWhen You Get To The Track Scanning Preprogrammed RacesBefore You Get To The Track Selecting Systems to Scan Selecting Interference Eliminator CodesSelecting System Channel Groups Locking/Unlocking SystemsLocking/Unlocking Channels Temporarily Holding On a SystemHolding On a Channel Quick-Storing Channels Quickly Recalling ChannelsOther Settings Using the Backlight Initializing the Scanner’s MemoryUsing the PC Control Cloning Options Connecting Your Scanner to a Personal ComputerCloning the Scanner Using the Menu Using the MenuSet up Priority Scan Programming Radio Systems Quickly Programming Racing SystemsProgramming Radio Systems Enter Driver Programming Radio Systems Manually Programming Racing Systems Editing the CarEntering/Editing a Car Number Editing a DriverSetting a Car’s Quick Key Editing a Car’s ChannelDeleting a Car Setting Lockout On a Car Programming Conventional SystemsEntering/Editing Conventional Channel Groups Entering/Editing Conventional ChannelsProgramming Radio Systems System-Level Settings Programming/Editing Optional SettingsEditing the System Name Editing the System Quick Key Conventional Systems OnlySetting Group Lockout Setting the System Hold TimeSetting the Channel Delay Time Setting Data SkipGroup-Level Settings Deleting SystemsCopying Systems Entering/Editing the Group NameSetting the Group Quick Key Edit Group Select the group Set Quick KeyChannel-Level Settings Deleting GroupsEditing the Channel Name Conventional Systems Only Setting Channel Priority Setting Channel Alert Setting CTCSS/DCSSetting Channel Modulation Setting Channel Attenuation Setting the Frequency StepSetting Channel Lockout Deleting ChannelsCopying/Pasting Channels Service Search Searching and StoringChanging the step of Air Band Quick SearchCTCSS/DCS Search Custom SearchPreset Custom Search Range Custom Frequency MHzCustom Auto Search and Store Editing a Custom Search RangeSelecting a System Storing a SystemUsing the Close Call Feature Using the Close Call FeatureSetting Close Call Options Turn the scroll control to select an optionUsing the Close Call Feature Close Call Hits Search and Close Call Options Managing Locked-Out FrequenciesSearching for Subaudible Tones Unlocking All FrequenciesSetting the Maximum Auto Store Value Setting the Modulation TypeSetting Attenuation Setting Data SkipSetting the Delay Time Setting the Search Frequency Step Care and Maintenance CleaningGeneral Use LocationTroubleshooting TroubleshootingTroubleshooting Specifications SpecificationsOptional Accessories Optional AccessoriesPlanning Collecting InformationPlanning Planning Filling Out The Racing System Worksheet Race NameCar #/Driver-Frequency-Priority-CTCSS/DCS Racing System Worksheet Filling Out The Conventional System Worksheet System Name and Quick KeyGroup Name and Quick Key Frequency-Alpha Tag-Priority-CTCSS/DCSConventional System Worksheet Conventional System W orksheetPreprogrammed Systems Preprogrammed SystemsDeclaration of Conformity Declaration of ConformityPage Page Page Uniden Corporation All rights reserved UBZZ01346ZZ0