Radio Shack 20-501 manual Using rechargeable batteries

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Warning: Set ALKALINE/RECHARGEABLE to RECHARGEABLE for use only with nickel cadmium (Ni-Cd) or nickel metal hydride (Ni-MH) rechargeable batteries. Never attempt to recharge non- rechargeable batteries. Non-rechargeable batteries can get hot or explode if you try to recharge them.

Cautions:

•Use only fresh batteries of the required size and recommended type.

•Do not mix batteries of different capacities or different chemistries.

•Always remove old or weak batteries. Batteries can leak chemicals that destroy electronic circuits.

When flashes and the scanner beeps every 15 seconds, replace both batteries.

Warning: Always dispose of old batteries promptly and properly. Do not bury or burn them.

using rechargeable batteries

You can also use two rechargeable batteries to power your scanner. Before you use Ni-Cd or Ni-MH batteries, you must charge them.

The scanner has a built-in circuit that lets you recharge Ni-Cd or Ni-MH batteries while they are in the scanner. To charge the batteries, set ALKALINE/

7	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