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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Page 70 Page 72

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Radio Shack 20-521 owner manual

Page 70 Page 72

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Contents

PRO-91 150-Channel Handheld Trunking Scanner Features Page Frequency Step Transmission Range MHz KHz Scanning Legally FCC NoticeContents 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 an Optional Antenna Connecting the AntennaListening Safely Connecting AN EARPHONE/ HeadphonesTraffic Safety Attaching the Belt Clip Connecting AN Extension SpeakerAbout Your Scanner Look AT the Keypad Look AT the Display Page Channel Storage Banks Service BanksUnderstanding Banks Monitor Memories Operation Turning on the Scanner and Setting SquelchStoring Known Frequencies Into Channels Limit Search Searching for and Temporarily Storing Active FrequenciesDirect Search Service Bank Search Search Skip Memory Moving a Frequency from a Monitor Memory to a Channel Listening to the Monitor MemoriesManually Selecting a Channel Scanning the Stored ChannelsPage Turning CHANNEL-STORAGE Banks on and OFF Special FeaturesDelay Priority Locking OUT ChannelsPage Normal Search Hypersearch Using the KeylockUsing the Display Backlight Changing Search SpeedsTurning the KEY Tone OFF/ON Turning the Battery Save Function OFF/ONSkipping Data Signals Types of Trunking Systems Trunk TrackingSetting the Scanner to the Trunk Tracking Mode Storing Trunked Frequencies Setting Squelch for the Trunk Tracking ModePage Scanning a Trunked Bank Temporarily Storing an ID into the Monitor ID Memory Monitoring an Active IDUnlocking All IDs Locking Out IDsUnlocking a Single ID Monitoring IDs Using Trunk Tracking Scan DelayChannel Activity Bars Manually Storing IDs into Scan Lists Scan ListsDeleting a Stored ID Moving IDs to Scan ListsScanning Type I and Hybrid Trunked Systems Scanning the Scan ListsProgramming 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 Canadian Weather Frequencies General Guide to ScanningGuide to Frequencies National Weather FrequenciesVHF Band Guide to the Action BandsTypical Band Usage Primary UsageAbbreviations Band AllocationVery High Frequency VHF Ultra High Frequency UHF Frequency Conversion Problem Possible Remedy Cause TroubleshootingError Adjust squelch for Resetting the Scanner Care and Maintenance Specifications Power Requirement AA Alkaline Batteries 6.0 VDC Page Page RadioShack Division of Tandy Corporation Fort Worth, Texas Limited One-Year Warranty