Radio Shack 20-501 manual About Skywarn

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Skywarn

The skywarn function lets you jump directly to the last channel in memory (Channel 200) from any mode by pressing FUNC + . The scanner goes into scan hold mode and starts receiving transmissions in the last channel. If no frequency is programmed in the last channel, No Prg appears and the scanner sounds an error tone.

about Skywarn

Skywarn is an organized group of trained weather observers. A Skywarn group exists in virtually every US county with a significant population. During inclement weather, reports made by Skywarn observers include information about:

•pea-sized and larger hail

•wind and wind gusts 40 MPH and greater

•heavy rainfall

•lightning (cloud-to-cloud and especially cloud- to-ground)

•wall clouds seen in severe thunderstorms (which spawn tornadoes)

•severe lowering of a wall cloud

•turbulence in a wall cloud

•funnel clouds

•tornadoes

Beyond the Basics

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Image 36

Contents Read this user’s guide completely before using your scanner Contents Storing frequencies into channels during service search FCC wants you to know Powering your scanner Basics Using rechargeable batteries Basics Basics Using AC power Using vehicle battery power Basics Setting up your scanner Connecting the antennaConnecting an optional antenna Connecting an earphone/headphone Listening safelyTraffic safety Connecting an extension speakerAttaching the belt clip About your scanner Look at the keypad SCAN/SRCH SVC PGM Look at the display Basics Understanding banks service banks Channel storage banksTurning on the scanner and setting squelch Operating your scannerStoring known frequencies into channels Beyond the Basics Beyond the Basics Service search Searching for and temporarily storing active frequenciesStoring frequencies into channels during service search Scanning the stored channels Manually selecting a channelSignal stalker Setting the signal stalker options Beyond the Basics Beyond the Basics Using signal stalker Skywarn About SkywarnBeyond the Basics WX alert Turning on the weather alert feature Chain searchChain search mode Chain search hold mode Paging system eliminatorProgram band select mode Direct entry search Direct entry search hold mode Beyond the Basics Search skip memory Beyond the Basics Delay Turning channel-storage banks on and off Locking out channelsPriority Using keylock Wired programming Using the display/key backlight Frequently asked questions My scanner isn’t working at all. How do I turn it on?Beyond the Basics Flashes on the display. What is it? Error appears on the display. What does it mean? ALKALINE/RECHARGEABLE Switch Lets you GlossaryIndex Belt ClipEarphone Connecting Extension Speaker Setting Options Warranty Accessories Beyond the Basics 20-501 07A04