Radio Shack 20-521 owner manual Understanding Banks, Service Banks, Channel Storage Banks

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MON — appears during search modes or when you select a monitor memory. The number to the right of

this indicator shows the current monitor memory num- ber.

MAN — appears when you press MAN.

PGM — appears while you store a frequency into a channel, while you enter a frequency range during a limit search, or when you program trunking frequen- cies, fleet maps, or ID memories while trunk tracking.

HYPER — appears while Hyperscan or Hypersearch is active during a direct or limit search.

t and s — appears during a limit, direct, or service search, indicating the search direction.

S— appears when the battery save function is active (during conventional scanning only).

UNDERSTANDING BANKS

Service Banks

The scanner is preprogrammed with all the frequencies allocated to the weather, ham, marine, aircraft, and po- lice (fire/emergency) services. This is handy for quickly finding active frequencies instead of doing a limit search (see “Service Bank Search” on Page 28).

Channel Storage Banks

To make it easier to identify and select the channels you want to listen to, channels are divided into 5 banks of 30 channels each. Use each channel-storage bank to group frequencies, such as those for the police de- partment, fire department, ambulance services, or air- craft (see “Guide to the Action Bands” on Page 58).

For example, the police department might use four fre- quencies, one for each side of town. You could pro- gram the police frequencies starting with Channel 1 (the first channel in bank 1), and program the fire de- partment frequencies starting with Channel 31 (the first channel in bank 2).

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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 Changing Search Speeds Using the KeylockUsing the Display Backlight 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 National Weather Frequencies General Guide to ScanningGuide to Frequencies Canadian Weather FrequenciesPrimary Usage Guide to the Action BandsTypical Band 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