Radio Shack 20-501 manual Operating your scanner, Turning on the scanner and setting squelch

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operating your scanner

turning on the scanner and setting squelch

Your scanner is preprogrammed at the factory with 150 of the most frequently used frequencies in Channels 1 to 150. You can scan these frequencies as soon as you turn on the scanner.

Note: Make sure the scanner's antenna is connected before you turn it on.

Turn SQUELCH fully counterclockwise.

Press and hold for about two seconds to turn the scanner on, and then turn VOLUME clockwise until you hear a hissing sound.

If the scanner is scanning, press HOLD to stop scanning, and then turn SQUELCH clockwise until the hissing stops.

Press SCAN. See “scanning the stored channels” on Page 30.

storing known frequencies into channels

You can locate and store specific frequencies into channels for later use. To assist you in locating a desired frequency from the scanner's wide range,

25	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 Listening safely Connecting an earphone/headphoneConnecting an extension speaker Traffic safetyAttaching the belt clip About your scanner Look at the keypad SCAN/SRCH SVC PGM Look at the display Basics Channel storage banks Understanding banks service banksOperating your scanner Turning on the scanner and setting squelchStoring known frequencies into channels Beyond the Basics Beyond the Basics Searching for and temporarily storing active frequencies Service searchStoring frequencies into channels during service search Manually selecting a channel Scanning the stored channelsSignal stalker Setting the signal stalker options Beyond the Basics Beyond the Basics Using signal stalker About Skywarn SkywarnBeyond the Basics Chain search WX alert Turning on the weather alert featureChain search mode Paging system eliminator Chain search hold modeProgram band select mode Direct entry search Direct entry search hold mode Beyond the Basics Search skip memory Beyond the Basics Delay Locking out channels Turning channel-storage banks on and offPriority Using keylock Wired programming Using the display/key backlight My scanner isn’t working at all. How do I turn it on? Frequently asked questionsBeyond the Basics Flashes on the display. What is it? Error appears on the display. What does it mean? Glossary ALKALINE/RECHARGEABLE Switch Lets youBelt Clip IndexEarphone Connecting Extension Speaker Setting Options Warranty Accessories Beyond the Basics 20-501 07A04