Radio Shack 20-521 owner manual Service Bank Search

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Notes:

If you want to start the search from a frequency already stored in one of your scanner’s chan- nels, press MAN or PROG, use the number keys to enter the channel number, then press MAN or PROG again.

If you enter an invalid frequency, the scanner displays Error. Simply repeat this step.

3.Press t to search downward or s to search upward from the selected frequency. -d-, SEARCH, and t or s appear.

4.When the scanner stops on a transmission, quickly press either:

HOLD to stop searching so you can listen to the transmission. HOLD appears.

MON/CLEAR to store the displayed frequency into the current monitor memory.

To release hold and continue searching, press HOLD or hold down t or s for at least 1 second. Or, if you did not press HOLD, simply press t or s to continue searching.

Note: To step through the frequencies while HOLD is displayed, press t or s.

Service Bank Search

You can search for weather, ham, marine, aircraft, or police (fire/emergency) transmissions even if you do not know the specific frequencies being used in your area. The scanner is preprogrammed with all the fre- quencies allocated to these services. To use this fea- ture, press SVC. SVC appears and the scanner searches through the weather service band. To select a different service bank, press the desired service bank key (WX1, HAM2, MRN3, AIR4, or POL5). The corre- sponding service band number (-1-, -2-, -3-, -4-, or -5-) appears, and the scanner starts searching the band.

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Contents PRO-91 150-Channel Handheld Trunking Scanner Features Page Frequency Step Transmission Range MHz KHz FCC Notice Scanning LegallyContents 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 the Antenna Connecting an Optional AntennaTraffic Safety Connecting AN EARPHONE/ HeadphonesListening Safely Connecting AN Extension Speaker Attaching the Belt ClipAbout Your Scanner Look AT the Keypad Look AT the Display Page Understanding Banks Service BanksChannel Storage Banks Monitor Memories Turning on the Scanner and Setting Squelch OperationStoring Known Frequencies Into Channels Searching for and Temporarily Storing Active Frequencies Limit SearchDirect Search Service Bank Search Search Skip Memory Listening to the Monitor Memories Moving a Frequency from a Monitor Memory to a ChannelScanning the Stored Channels Manually Selecting a ChannelPage Delay Special FeaturesTurning CHANNEL-STORAGE Banks on and OFF Locking OUT Channels PriorityPage Using the Keylock Using the Display BacklightChanging Search Speeds Normal Search HypersearchTurning the Battery Save Function OFF/ON Turning the KEY Tone OFF/ONSkipping Data Signals Trunk Tracking Types of Trunking SystemsSetting 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 MemoryUnlocking a Single ID Locking Out IDsUnlocking All IDs Using Trunk Tracking Scan Delay Monitoring IDsChannel Activity Bars Scan Lists Manually Storing IDs into Scan ListsMoving IDs to Scan Lists Deleting a Stored IDScanning the Scan Lists Scanning Type I and Hybrid Trunked SystemsProgramming 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 FrequenciesGuide to the Action Bands Typical Band UsagePrimary Usage VHF BandBand Allocation AbbreviationsVery High Frequency VHF Ultra High Frequency UHF Frequency Conversion Troubleshooting Problem Possible Remedy CauseError 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