Radio Shack 20-501 manual Searching for and temporarily storing active frequencies, Service search

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searching for and temporarily storing active frequencies

If you do not have a reference to frequencies in your area, use a search (except weather service search) to find a transmission.

Note: When the scanner starts searching, it automatically turns on the delay function. To turn delay on or off, press FUNC + DLY.

service search

You can search for weather, ham, marine, aircraft, or police (fire/emergency) transmissions without knowing the specific frequencies used in your area. Your scanner is preprogrammed with all the frequencies allocated to these services. To use this feature, press FUNC and SVC. SRCH appears and the scanner searches, starting with the weather service bank. To select a different service bank, repeatedly press FUNC and SVC. Service mode appears on the display.

When the scanner stops on a transmission, quickly press HOLD to stop searching and listen to the transmission. HOLD appears. In this mode, you can

press FUNC and or FUNC and to step through the frequencies.

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 the antenna Setting up your scannerConnecting 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 banksOperating your scanner Turning on the scanner and setting squelchStoring 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