Radio Shack 20-501 manual Signal stalker

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To manually select a channel, press HOLD, enter the channel number and then press HOLD again.

Or, during scanning, if the radio stops at a channel you want to listen to, press HOLD once. (Repeatedly pressing HOLD at this time causes the scanner to step through the channels.) Press SCAN to resume automatic scanning.

signal stalker

Your scanner's Signal Stalker feature lets you set the scanner so it detects, then displays the frequency of a nearby strong radio transmission. You can set the scanner so Signal Stalker works "in the background" while you scan other frequencies, turn off normal scanning while Signal Stalker works, or turn off Sig- nal Stalker and use your scanner normally. You can set the scanner so it alerts you when Signal Stalker finds a frequency. You can also set the frequency band where you want the scanner to look

for transmissions.

Notes:

•Signal Stalker works well for locating the source of strong local transmissions such as mobile and handheld two-way radios in areas with no other strong transmission sources. However, if you are in an area with many transmission sources (such as pager radio transmitters, multi- use radio towers, traffic control devices, etc.),

31	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