Radio Shack 20-501 manual WX alert Turning on the weather alert feature, Chain search

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it several minutes before it can be relayed for broadcast by NOAA and as much as 5 or 10 minutes sooner than you will hear it on local TV or radio! Those few minutes can be worth a lot when it comes to deciding if your family needs to take cover.

WX alert

turning on the weather alert feature

Turn on the WX alert function by pressing FUNC and ALT in the WX search or WX search hold mode. ALT appears. When the scanner receives a WX alert signal while the WX alert function is on, it goes into WX alert hold mode and generates a WX alert tone, and ALT flashes. To stop the WX alert tone, press any key. ALT disappears.

chain search

This feature lets you search through preset fre- quency ranges. You can also change each range to a range you set. There are three modes within this feature: chain search mode, chain search hold mode, and program band select mode.

Beyond the Basics

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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 Connecting an optional antenna Setting up your scannerConnecting the 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 banksStoring known frequencies into channels Turning on the scanner and setting squelchOperating your scanner 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