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20-521 owner manual PRO-91 150-Channel Handheld Trunking Scanner
Models:
20-521
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Troubleshooting
Specs
Warranty
Maintenance
Connecting the Antenna
Selecting a Preset Fleet Map
Error
Delay
Skipping Data Signals
Adjust squelch for
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Owner’s Manual
Cat. No.
20-521
PRO-91
150-Channel
Handheld Trunking Scanner
Please read before using this equipment.
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Contents
PRO-91 150-Channel Handheld Trunking Scanner
Features
Page
Frequency Step Transmission Range MHz KHz
Scanning Legally
FCC Notice
Contents
Trunk Tracking
Special Features
General Guide to Scanning
Page
Using Internal Batteries
Power Sources
Preparation
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 Speaker
About Your Scanner
Look AT the Keypad
Look AT the Display
Page
Understanding Banks
Service Banks
Channel Storage Banks
Monitor Memories
Operation
Turning on the Scanner and Setting Squelch
Storing Known Frequencies Into Channels
Limit Search
Searching for and Temporarily Storing Active Frequencies
Direct Search
Service Bank Search
Search Skip Memory
Moving a Frequency from a Monitor Memory to a Channel
Listening to the Monitor Memories
Manually Selecting a Channel
Scanning the Stored Channels
Page
Delay
Special Features
Turning CHANNEL-STORAGE Banks on and OFF
Priority
Locking OUT Channels
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Using the Display Backlight
Using the Keylock
Changing Search Speeds
Normal Search Hypersearch
Turning the KEY Tone OFF/ON
Turning the Battery Save Function OFF/ON
Skipping Data Signals
Types of Trunking Systems
Trunk Tracking
Setting the Scanner to the Trunk Tracking Mode
Storing Trunked Frequencies
Setting Squelch for the Trunk Tracking Mode
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Scanning a Trunked Bank
Temporarily Storing an ID into the Monitor ID Memory
Monitoring an Active ID
Unlocking a Single ID
Locking Out IDs
Unlocking All IDs
Monitoring IDs
Using Trunk Tracking Scan Delay
Channel Activity Bars
Manually Storing IDs into Scan Lists
Scan Lists
Deleting a Stored ID
Moving IDs to Scan Lists
Scanning Type I and Hybrid Trunked Systems
Scanning the Scan Lists
Programming 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
Guide to Frequencies
General Guide to Scanning
National Weather Frequencies
Canadian Weather Frequencies
Typical Band Usage
Guide to the Action Bands
Primary Usage
VHF Band
Abbreviations
Band Allocation
Very High Frequency VHF
Ultra High Frequency UHF
Frequency Conversion
Problem Possible Remedy Cause
Troubleshooting
Error
Adjust squelch for
Resetting the Scanner
Care and Maintenance
Specifications
Power Requirement AA Alkaline Batteries 6.0 VDC
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RadioShack Division of Tandy Corporation Fort Worth, Texas
Limited One-Year Warranty
