Manuals / Radio Shack / Computer Equipment / Scanner

Radio Shack 20-521 owner manual

Models: 20-521

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Troubleshooting Specifications Skipping Data Signals Error Delay Connecting the Antenna Warranty Maintenance Selecting a Preset Fleet Map Using Vehicle Battery Power

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Frequency Conversion 63
Troubleshooting 64
Resetting the Scanner	67
Care and Maintenance	68
Specifications	69

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Radio Shack 20-521 owner manual

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Contents

PRO-91 150-Channel Handheld Trunking Scanner Features Page Frequency Step Transmission Range MHz KHz FCC Notice Scanning Legally Contents General Guide to Scanning Special FeaturesTrunk Tracking Page Preparation Power SourcesUsing Internal Batteries Page Charging Nickel-Cadmium Batteries Using AC Power Using Vehicle Battery Power Plug the adapter’s barrel plug into your scanner’s Connecting the Antenna Connecting an Optional Antenna Listening Safely Connecting AN EARPHONE/ HeadphonesTraffic Safety Connecting AN Extension Speaker Attaching the Belt Clip About Your Scanner Look AT the Keypad Look AT the Display Page Channel Storage Banks Service BanksUnderstanding Banks Monitor Memories Turning on the Scanner and Setting Squelch Operation Storing Known Frequencies Into Channels Searching for and Temporarily Storing Active Frequencies Limit Search Direct Search Service Bank Search Search Skip Memory Listening to the Monitor Memories Moving a Frequency from a Monitor Memory to a Channel Scanning the Stored Channels Manually Selecting a ChannelPage Turning CHANNEL-STORAGE Banks on and OFF Special FeaturesDelay Locking OUT Channels PriorityPage Using the Keylock Using the Display BacklightChanging Search Speeds Normal Search Hypersearch Turning the Battery Save Function OFF/ON Turning the KEY Tone OFF/ON Skipping Data Signals Trunk Tracking Types of Trunking Systems Setting the Scanner to the Trunk Tracking Mode Setting Squelch for the Trunk Tracking Mode Storing Trunked FrequenciesPage Scanning a Trunked Bank Monitoring an Active ID Temporarily Storing an ID into the Monitor ID Memory Unlocking All IDs Locking Out IDsUnlocking a Single ID Using Trunk Tracking Scan Delay Monitoring IDs Channel Activity Bars Scan Lists Manually Storing IDs into Scan Lists Moving IDs to Scan Lists Deleting a Stored ID Scanning the Scan Lists Scanning Type I and Hybrid Trunked Systems Programming a Fleet Map Size Fleets Subfleets IDs Blocks Used E1P1 E1P2 E1P3 Size E1P4 E1P5 E1P6 Size Selecting a Preset Fleet Map Programming a Hybrid System General Guide to Scanning Guide to FrequenciesNational Weather Frequencies Canadian Weather Frequencies Guide to the Action Bands Typical Band UsagePrimary Usage VHF Band Band Allocation Abbreviations Very High Frequency VHF Ultra High Frequency UHF Frequency Conversion Troubleshooting Problem Possible Remedy Cause Error Adjust squelch for Resetting the Scanner Care and Maintenance Specifications Power Requirement AA Alkaline Batteries 6.0 VDC Page Page Limited One-Year Warranty RadioShack Division of Tandy Corporation Fort Worth, Texas

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