Uniden SC230 owner manual Setting Channel Modulation

Page 63

Search - the scanner searches for and displays any CTCSS or DCS tone that accompanies the transmission.

CTCSS - the scanner only opens squelch if the CTCSS tone you select is also present with the signal. The scanner then prompts you to enter or scroll to the desired tone.

DCS - the scanner only opens squelch if the DCS tone you select is also present with the signal. The scanner then prompts you to enter or scroll to the desired tone.

Set Lockout - the scanner does not stop on the channel if the tone you select is present. The scanner prompts you to select a CTCSS or DCS tone.

Notes:

•The default setting is Off.

•See “What is CTCSS/DCS?” on Page 17 for a complete list of CTCSS and DCS tones.

Setting Channel Modulation

Menu

program system

E

Select the system		E
Edit Group	E
Select the group		E
Edit Channel	E
Select the channel		E
Set Modulation		E

This setting controls the demodulation method used for the channel. Select your setting, then press E.

Auto - the scanner uses the default modulation for the frequency (see the table at the front of the manual).

AM - the scanner uses AM (amplitude modulation) for the frequency.

FM - the scanner uses FM (frequency modulation) for the frequency.

Programming/Editing Optional Settings

63

Image 63

Contents OWNER’S Manual Precautions PrecautionsPrecautions Contents Using the Menu Programming Radio Systems Contents FCC Wants You to Know Scanning LegallyFCC Wants You to Know FCC Wants You to Know Introduction IntroductionNFM UHF Feature Highlights Feature HighlightsFeature Highlights Weather About This Manual Backlight and PowerEntering Text How the Scanner’s Controls Are Represented in This ManualUnderstanding the Scanner’s Memory What is Scanning?What is Searching? Understanding ScanningWhat is CTCSS/DCS? DCS Codes Octal Ctcss Frequencies HzConventional Scanning Using the Scanner at the RacetrackWhere To Get More Information Simplex OperationRepeater Operation Information On The Internet Included With Your Scanner Included With Your ScannerSetting Up Your Scanner Using Internal BatteriesSetting Up Your Scanner Setting Up Your Scanner Using Rechargeable Batteries Using AC Power Connecting the AntennaConnecting an Optional Antenna Connecting an Earphone/Headphone Connecting an Extension SpeakerAttaching the Belt Clip Attaching the Wrist Strap Installing the Demo SoftwareLook At The Keypad HoldScan/Srch 0/Race + 1-9, 0/Race SelectsPri Rcl No/ /RevYes/Att Look At The Display Using Menu Using FuncUsing the Scroll Control Basic Operation Turning On the Scanner Setting the SquelchBasic Operation Scanning SystemsWhen You Get To The Track Scanning Preprogrammed RacesBefore You Get To The Track Selecting Interference Eliminator Codes Selecting Systems to ScanSelecting System Channel Groups Locking/Unlocking SystemsLocking/Unlocking Channels Temporarily Holding On a System Holding On a ChannelQuick-Storing Channels Quickly Recalling Channels Other Settings Initializing the Scanner’s Memory Using the BacklightUsing the PC Control Cloning Options Connecting Your Scanner to a Personal ComputerXfer Information Cloning the Scanner Using the Menu Using the MenuMenu Item Lets You See Set up Priority Scan Programming Radio Systems Programming Radio SystemsQuickly Programming Racing Systems Programming Radio Systems Racing Confirm? Manually Programming Racing SystemsEditing the Car Program SysteMEditing a Driver Entering/Editing a Car NumberSetting a Car’s Quick Key Editing a Car’s ChannelDeleting a Car Programming Conventional Systems Setting Lockout On a CarEntering/Editing Conventional Channels Entering/Editing Conventional Channel GroupsProgramming Radio Systems Editing the System Quick Key Conventional Systems Only System-Level SettingsProgramming/Editing Optional Settings Editing the System NameSetting the System Hold Time Setting System LockoutSetting Data Skip Setting the Channel Delay TimeEntering/Editing the Group Name Group-Level SettingsDeleting Systems Copying SystemsSetting the Group Quick Key Editing the Channel Name Conventional Systems Only Channel-Level SettingsSetting Group Lockout Deleting GroupsSetting Channel Priority Setting CTCSS/DCS Setting Channel AlertSetting Channel Modulation Setting the Frequency Step Setting Channel AttenuationDeleting Channels Setting Channel LockoutCopying/Pasting Channels Service Search Searching and StoringSearching and Storing Quick Search CTCSS/DCS SearchCustom Search Editing a Custom Search Range Selecting a System Auto Search and StoreStoring a System Using the Close Call Feature Using the Close Call FeatureSetting Close Call Options Close Call Hits Unlocking All Frequencies Search and Close Call OptionsManaging Locked-Out Frequencies Searching for Subaudible TonesFinding Repeater Output Frequencies Screening Out Paging SystemsSetting the Modulation Type Setting the Maximum Auto Store ValueSetting Attenuation Setting Data SkipSetting the Delay Time Setting the Search Frequency Step Turning Weather Alert On/Off Using Weather Alert SameUsing Weather Alert Same Searching For a Weather BroadcastProgramming a Same Group WX Operation Setting WX Alert PriorityGeneral Use Care and MaintenanceCleaning Care and MaintenanceBirdies RepairsTroubleshooting TroubleshootingProblem Possible Cause Suggestion Troubleshooting Specifications SpecificationsOperating Temperature Optional Accessories Optional AccessoriesPlanning Collecting InformationPlanning Planning Filling Out The Racing System Worksheet Race NameCar #/Driver-Frequency-Priority-CTCSS/DCS Racing System W orksheet Racing System WorksheetFrequency-Alpha Tag-Priority-CTCSS/DCS Filling Out The Conventional System WorksheetSystem Name and Quick Key Group Name and Quick KeyConventional System Worksheet Conventional System WorksheetPreprogrammed Systems Preprogrammed SystemsOne-Year Limited Warranty One-Year Limited WarrantyCorporation Uniden One-Year Limited Warranty Register Online Today