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Radio Shack 20-163 manual Programming a Search Range, To activate Zeromatic

Models: 20-163

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Zeromatic

While searching, the scanner stops if a transmission triggers the squelch setting. A narrow-band FM transmission can have a deviation of +/- 5 KHz, and the actual total bandwidth, including the tails of the sidebands, can be even greater. However, search intervals smaller than that can stop your scanner short of the correct (center) frequency.

The Zeromatic function allows the scanner to find the correct center frequency for search banks SR3, SR4, SR5, SR6 and SR7. Zeromatic automatically tunes the step-increment frequency closest to the center frequency.

To activate Zeromatic:

1. Press FUNC then 0. “Zeromatic ON.” appears briefly, then ZM appears.

2. To turn Zeromatic off, press FUNC then 0 again. “ZM” changes to “zm.”

Programming a Search Range

To program the search range of Bank SR7:

1. Repeatedly press SRCH to select SR7.

2.Press PROG then SRCH. “Enter SR7 Search Range Limits” appears. L blinks for the lower-limit of the range.

3.Use the number keys to enter the lower-limit frequency (including the decimal point).

4.Press ENT. U appears.

5.Use the number keys to enter the upper-limit frequency (including the decimal point), then press ENT.

If either entered frequency is incorrect, “Invalid Freq” appears briefly.

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Radio Shack 20-163 manual Programming a Search Range, To activate Zeromatic, To program the search range of Bank SR7

Contents

Mobile / Base Radio Scanner What’s IncludedContents Contents Your Scanner Pause EXT SP Setting Up a Mobile Base Installing Your ScannerBracket Mounting To you use the scanner on a flat surfaceDashboard Installation To attach the supplied antenna Connecting the AntennaWall Outlet Powering Your ScannerVehicle Direct Vehicle Power SocketKeytones and Brightness Headphones and SpeakersSquelch and Attenuator DelayTo set the attenuator mode Scanner SetupTo define a channel Defining a ChannelTo copy a frequency Copying a FrequencyTo delete a saved frequency Deleting Saved FrequenciesTo delete all saved frequencies in a bank To define a channel’s Ctcss or DCS codeScanner Cloning To save a Ctcss or DCS codeTo clone the scanner data Seek Search SearchingSearch Banks To activate Seek SearchTo search banks SR0-SR2 Programming a Search Range ZeromaticTo activate Zeromatic To program the search range of Bank SR7To use Signal Stalker Signal StalkerTo use Special Signal Stalker Special Signal StalkerLocking Out Frequencies To lock out a frequencyTo review and unlock frequencies Saving Found FrequenciesTo unlock all frequencies in a search bank To save a frequency found during a searchLocking Out Channels ScanningTo scan To locked out a channelPriority Scanning To turn on the priority featureTo review all locked out channels To make an existing channel a Priority channelTo modify the Priority channel Weather AlertsTo perform a weather scan To program a weather channel into priority channelTo program a Fips code Same Standby ModeTo review stored Fips codes To enter Same standbyTo test the weather alert Skywarn MonitoringTo use Skywarn To monitor a channelTo set a default tuning frequency Trunking SetupDefining a Trunking Bank To define a Trunking BankMotorola Trunking Setup To set Open or Closed mode for a bankTrunking Modes To program a fleet map Fleet MapsFor Motorola Type II, enter Base and Offset FrequenciesUHF-Hi 806-960 MHz To program 800 MHz Motorola trunking Edacs Trunking SetupLTR Trunking Setup Searching for Talk Group IDsTo save a correct Home Repeater Saving a Talk Group ID To search for Talk Group IDsTo define a Talk Group ID Deleting Talk Group IDs To delete a Talk Group IDTo delete ALL talk group IDs in a bank 1. Press Prog Saving Trunking Channels Trunk ScanningTo set a Talk Group ID delay Trunking DelayTurning Off Sub-Banks Locking Out Talk Group IDsTo lock out Talk Group IDs To review locked-out Talk Group IDsTalk Group ID Hold Scanner MaintenanceTo turn off a sub-bank while scanning To set Talk Group ID HoldTo define a Text Tag Text TagsTo display the Talk Group ID Issue Solution TroubleshootingWhen trying to upload or Error message appearsBirdie Frequencies CauseService and Repair Initializing the ScannerTo initialize the scanner Scanning Legally References FCC NoticeAppendix a Glossary Appendix B Search Banks Search bank SR0 Marine band Receive mode FM Freq. MHzSearch bank SR1 CB band Receive mode AM Freq. MHz Group Search bank SR4 Aircraft Receive mode AM, FM Ctcss Codes Appendix C Ctcss / DCS CodesAppendix D Signal Stalker All BandDCS Codes PubSafety Band Appendix E Talk Group Format MotorolaTo use AFS format Sensitivity 20 dB S/N Appendix F SpecificationsDB +/-4 kHz Cat. No -163 AddendumPurple DOT Purple DOT BB Business Band Police Departments Police Dept Nascar Track Announcer Security Alarm Security Company Companies DOT Business Band DOT BB Limited One-year Warranty