Radio Shack 20-501 manual Basics

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L/O - appears when you manually select a channel you locked out or a skip frequency.

- appears when you lock the keypad.

- alerts you when the battery power gets low.

PGM - appears while you store a frequency into a channel.

or - appears during search mode.

- appears only when the function mode is on.

WX, POL FIRE, AIR, MRN, or HAM - appears along with an indicator that shows the current service bank during a service search.

ALT - appears during a WX alert or while the signal stalker function is on.

- appears when the scanner is set to a signal stalker mode.

23	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 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 banksStoring known frequencies into channels Turning on the scanner and setting squelchOperating your scanner 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