Radio Shack 20-521 owner manual Special Features, Trunk Tracking, General Guide to Scanning

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Special Features	34
Delay	34
Turning Channel-Storage Banks On and Off ...	34
Locking Out Channels	35
Priority	35
Using the Keylock	37
Using the Display Backlight	37
Changing Search Speeds	37
Turning the Key Tone Off/On	38
Turning the Battery Save Function Off/On	38
Skipping Data Signals	39
Trunk Tracking	40
Types of Trunking Systems	40
Setting the Scanner to the
Trunk Tracking Mode	41
Setting Squelch for the Trunk Tracking Mode ..	42
Storing Trunked Frequencies	42
Scanning a Trunked Bank	44
Monitoring an Active ID	45
Temporarily Storing an ID into the
Monitor ID Memory	45
Locking Out IDs	46
Unlocking a Single ID	46
Unlocking All IDs	46
Using Trunk Tracking Scan Delay	47
Monitoring IDs	47
Channel Activity Bars	48
Scan Lists	49
Manually Storing IDs into Scan Lists	49
Moving IDs to Scan Lists	50
Deleting a Stored ID	50
Scanning the Scan Lists	51
Scanning Type I and Hybrid Trunked
Systems	51
Selecting a Preset Fleet Map	55
Programming a Fleet Map	56
Programming a Hybrid System	57
A General Guide to Scanning	58
Guide to Frequencies	58
National Weather Frequencies	58
Canadian Weather Frequencies	58
Birdie Frequencies	58
Guide to the Action Bands	59
Typical Band Usage	59
Primary Usage	59
Band Allocation	60

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Contents PRO-91 150-Channel Handheld Trunking Scanner Features Page Frequency Step Transmission Range MHz KHz Scanning Legally FCC NoticeContents Trunk Tracking Special FeaturesGeneral Guide to Scanning Page Using Internal Batteries Power SourcesPreparation 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 AntennaTraffic Safety Connecting AN EARPHONE/ HeadphonesListening Safely Attaching the Belt Clip Connecting AN Extension SpeakerAbout Your Scanner Look AT the Keypad Look AT the Display Page Understanding Banks Service BanksChannel Storage 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 Delay Special FeaturesTurning CHANNEL-STORAGE Banks on and OFF 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 a Single ID Locking Out IDsUnlocking All IDs 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