Radio Shack PRO-90 owner manual Storing Known Frequencies Into Channels

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Notes:

If you have not stored frequencies into any chan- nels, the scanner does not scan.

If the scanner picks up unwanted, partial, or very weak transmissions, turn SQUELCH counterclockwise to decrease the scanner's sensitivity to these sig- nals. If you want to listen to a weak or distant sta- tion, turn SQUELCH clockwise.

If SQUELCH is adjusted so you always hear a hissing sound, the scanner does not scan properly.

STORING KNOWN FREQUENCIES INTO CHANNELS

Good references for active frequencies are the Ra- dioShack “Police Call Guide including Fire and Emer- gency Services,” “Official Aeronautical Frequency Directory,” and “Maritime Frequency Directory.” We up- date these directories every year, so be sure to get a current copy.

Note: To store trunking system frequencies, see “Pro- gramming Trunked Frequencies” on Page 34.

Follow these steps to store frequencies into channels.

1.Press MANUAL, enter the channel number where you want to store a frequency, then press MANUAL again. The channel number appears.

2.Use the number keys and to enter the frequency (including the decimal point) you want to store.

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Contents PRO-90 300-Channel TrunkTracker Scanner Features Page Frequency Range Step Transmission Scanning Legally FCC NoticeContents Troubleshooting Care and Maintenance Specifications Trunk TrackingGeneral Guide to Scanning Power Sources Using the Rechargeable Battery PackPreparation Using Standard AC Power Socket Using Vehicle Battery PowerConnecting the Antenna Connecting an Optional Antenna Connecting AN EARPHONE/ Headphones Traffic SafetyListening Safely Attaching the Belt Clip Connecting AN Extension SpeakerLook AT the Keypad Understanding Your ScannerPage Look AT the Display Page Understanding Banks Service BanksUnderstanding Trunking Channel Storage BanksOperation Turning on the Scanner and Setting SquelchStoring Known Frequencies Into Channels Limit Search Scanning Service Banks Page Scanning the Stored Channels Manually Selecting a ChannelDeleting a Stored Frequency Delay Special FeaturesTurning CHANNEL-STORAGE Banks on and OFF Locking OUT Channels and FrequenciesLocking Out Channels Locking Out Frequencies PriorityPage Using the Display Backlight Using the KeylockChanging Search Speeds Normal Search HyperSearchSkipping Data Signals Battery SaveTypes of Trunking Systems Trunk TrackingSetting the Scanner to the Trunk Tracking Mode Programming Trunked Frequencies Setting Squelch for the Trunk Tracking ModePage Scanning a Trunked Bank Monitoring an Active ID Locking Out IDs Unlocking a Single IDUnlocking All IDs Monitoring IDs Using Trunk Tracking Scan DelayChannel Activity Indicators Manually Storing IDs into Scan Lists Scan ListsAutomatically Storing an ID in a Scan List Location Storing IDs Into Scan Lists While Search- ingDeleting a Stored ID Scanning the Scan ListsScanning Type I and Hybrid Trunked Systems Size Fleets Subfleets IDs Block Used E1P4 E1P5 E1P6 Block Size Code S12 E1P1 E1P2 E1P3 Block Size CodeE1P4 E1P5 E1P6 Block Size Code E1P7 E1P8 E1P9 Block Size CodeE1P10 E1P11 E1P12 Block Size Code Selecting a Preset Fleet Map E1P13 E1P14 E1P15 Block Size CodeE1P16 Block Size Code Programming a Fleet Map Programming a Hybrid System Guide to Frequencies General Guide to ScanningNational Weather Frequencies Canadian Weather FrequenciesTypical Band Usage Guide to the Action BandsPrimary Usage VHF BandAbbreviations Band AllocationVery High Frequency VHF Ultra High Frequency UHF Conventional Systems Band Locally Assigned Frequency Conversion Problem Possible Remedy Cause TroubleshootingError Adjust squelch for Care and Maintenance Specifications Power Requirements Limited One-Year Warranty
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