Radio Shack PRO-79 owner manual Connecting AN Extension Speaker, Traffic Safety

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Traffic Safety

•Do not use an earphone/headphones with your scanner when operating a motor vehicle or riding a bicycle in or near traffic. Doing so can create a traffic hazard and could be ille- gal in some areas.

•If you use an earphone/headphones with your scanner while riding a bicycle, be very careful. Do not listen to a continu- ous transmission. Even though some earphones/head- phones let you hear some outside sounds when listening at normal volume levels, they still can present a traffic hazard.

CONNECTING AN EXTENSION SPEAKER

In a noisy area, an amplified extension speaker (available at your local RadioShack store) positioned in the right place, might provide more comfortable listening.

Plug the speaker cable’s 1/8-inch (3.5-mm) plug into your scan- ner’s jack.

Note: Connecting an external speaker disconnects the scan- ner’s internal speaker.

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Contents PRO-79 Channel VHF/Air/UHF Handheld Scanner Features Page FCC Notice Frequency Types of Transmissions Range MHzScanning Legally Contents Special Features Installing Batteries PreparationUsing AC Power Using Vehicle Battery PowerCharging Rechargeable Batteries Connecting AN Antenna Connecting the Supplied AntennaConnecting an Outdoor Antenna Connecting AN Earphone Headphones Listening SafelyConnecting AN Extension Speaker Traffic SafetyUnderstanding Your Scanner Look AT the KeypadNumber KeysLook AT the Display AIRDLY Understanding Banks Channel Storage BanksService Banks Fire/PoliceMarine AirAmateur Radio Channel Frequency MHz 156.9250 Monitor Memories RESETTING/INITIALIZING the Scanner OperationResetting the Scanner Initializing the ScannerStoring Known Frequencies Into Channels Searching the Service Banks Finding and Storing Active FrequenciesUsing Direct Search Page Moving a Frequency from a Monitor Memory to a Channel Using Monitor MemoryListening to a Monitor Memory Scanning the Stored Channels Turning CHANNEL-STORAGE Banks OFF and on Monitoring a Stored ChannelListening to the Weather Band Clearing a Stored ChannelListening to the Marine Bank WX Alert Locking OUT Channels or Frequencies Special FeaturesDelay Locking Out ChannelsRemoving Lockouts From All Frequencies Locking Out FrequenciesReviewing Locked-Out Frequencies Using Priority Removing Lockouts From All Frequencies in All Service BanksTurning the KEY Tone on and OFF Using the Display BacklightUsing the KEY Lock Avoiding Image Frequencies National Weather Frequencies General Guide to ScanningGuide to Frequencies Birdie FrequenciesPrimary Usage Guide to the Action BandsTypical Band Usage MHz Abbreviations Services Band AllocationGovernment Band 137-144 MHz Meter Amateur Band 50-54 MHzAircraft Band 108-136 MHz Meter Amateur Band 144-148 MHzVHF High Band 148-174 MHz Centimeter Amateur Band 420-450 MHzFrequency Conversion Low Band 450-470 MHzTroubleshooting Squelch is notCare and Maintenance Specifications Volts DC, 4 AA Batteries Page Fort Worth, Texas RadioShackDivision of Tandy Corporation

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