Using the Display Backlight | Radio Shack PRO-79 guide

Note: If you program a weather frequency into the priority chan- nel and the scanner detects a WX alert tone on that frequency (see “WX Alert” on Page 35), the scanner sounds the alert tone and ALErt flashes. Press any key to turn off the alarm.

USING THE DISPLAY BACKLIGHT

You can turn on the display’s backlight for easy viewing in the dark. Press LIGHT to turn on the light for 5 seconds. To turn off the light sooner, press LIGHT again.

TURNING THE KEY TONE ON AND OFF

The scanner is preset to sound a tone each time you press one of its keys (except LIGHT). You can turn the key tone off or back on.

1.If the scanner is on, turn VOLUME counterclockwise until it clicks to turn the scanner off.

2.While you hold down 2 and ENT, turn on the scanner.

3.When oFF tonE or on tonE appear, release 2 and ENT.

USING THE KEY LOCK

Once you program your scanner, you can protect it from acci- dental program changes by turning on the keylock feature. When the keypad is locked, the only controls that operate are SCAN, MANUAL, LIGHT, VOLUME, and SQUELCH.

Note: The keylock does not prevent the scanner from scanning channels or monitoring a single channel, whichever feature you last selected.

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Radio Shack PRO-79 owner manual Using the Display Backlight, Turning the KEY Tone on and OFF, Using the KEY Lock

Contents

PRO-79 Channel VHF/Air/UHF Handheld Scanner Features Page Frequency Types of Transmissions Range MHz FCC Notice Scanning Legally Contents Special Features Preparation Installing Batteries Using Vehicle Battery Power Using AC Power Charging Rechargeable Batteries Connecting the Supplied Antenna Connecting AN Antenna Connecting an Outdoor Antenna Listening Safely Connecting AN Earphone Headphones Traffic Safety Connecting AN Extension Speaker Look AT the Keypad Understanding Your Scanner Keys Number AIR Look AT the Display DLY Channel Storage Banks Understanding Banks Fire/Police Service Banks Air Amateur RadioMarine Channel Frequency MHz 156.9250 Monitor Memories Operation RESETTING/INITIALIZING the Scanner Initializing the Scanner Resetting the Scanner Storing Known Frequencies Into Channels Finding and Storing Active Frequencies Searching the Service Banks Using Direct Search Page Using Monitor Memory Listening to a Monitor MemoryMoving a Frequency from a Monitor Memory to a Channel Scanning the Stored Channels Monitoring a Stored Channel Turning CHANNEL-STORAGE Banks OFF and on Clearing a Stored Channel Listening to the Marine BankListening to the Weather Band WX Alert Locking Out Channels Special FeaturesDelay Locking OUT Channels or Frequencies Locking Out Frequencies Reviewing Locked-Out FrequenciesRemoving Lockouts From All Frequencies Removing Lockouts From All Frequencies in All Service Banks Using Priority Using the Display Backlight Using the KEY LockTurning the KEY Tone on and OFF Avoiding Image Frequencies Birdie Frequencies General Guide to ScanningGuide to Frequencies National Weather Frequencies Guide to the Action Bands Typical Band Usage MHzPrimary Usage Band Allocation Abbreviations Services Meter Amateur Band 144-148 MHz Meter Amateur Band 50-54 MHzAircraft Band 108-136 MHz Government Band 137-144 MHz Centimeter Amateur Band 420-450 MHz VHF High Band 148-174 MHz Low Band 450-470 MHz Frequency Conversion Squelch is not Troubleshooting Care and Maintenance Specifications Volts DC, 4 AA Batteries Page RadioShack Division of Tandy CorporationFort Worth, Texas