Radio Shack 20-521 owner manual Look AT the Keypad

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A LOOK AT THE KEYPAD

Your scanner’s keys might seem confusing at first, but this information should help you understand each key’s function.

HOLD — holds the frequency search; holds on the cur- rent ID in the trunk tracking mode.

SCAN — scans through the stored channels.

MAN (manual) — stops scanning and lets you directly enter a channel number or frequency.

PROG (program) — stores frequencies into channels; programs the trunking frequency, fleet map, and ID memories.

TRUNK — switches between conventional and trunk tracking.

LIMIT/SRC (search) — starts a limit search; searches a specified frequency range to find frequencies; searches for another active ID while trunk tracking.

DATA — turns on or off the data signal skip feature; moves through menu settings while trunk tracking.

PRIORITY/H/S (Hypersearch) — sets and turns on and off the priority feature; turns on and off Hypersearch.

L-OUT/S/S (search skip) — lets you lock out selected channels or skip specified frequencies during a search; lets you lock out a selected ID while trunk tracking.

KEYLOCK/ — locks the keypad to prevent acciden- tal program changes; turns on the display light for 15 seconds.

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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 Antenna Traffic Safety Connecting AN EARPHONE/ Headphones Listening 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