Radio Shack 20-164 manual Trunk Scanning, To change the scanning direction, press  or 

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Trunked modes (MO, ED, and LT) can only be selected for frequencies above 137 MHz that use trunking operations.

For information about adding text tags to a channel, see “Text Tags” on Page 44.

Trunk Scanning

In each bank, you can mix conventional channels and frequencies in a bank. However, you can scan only one trunking mode at a time, either EDACS, Motorola, or LTR.

To focus on trunk scanning, during a normal scan, you turn off banks that contain only conventional channels.

For Motorola channels, your scanner displays the Talk Group ID memory location, received frequency, voice channel (VC), and the Motorola ID number.

To change the scanning direction, press  or .

Your scanner automatically mutes the audio while it decodes control channel data. However, we recommend you turn SQ clockwise and leave it set to a point just after the hiss stops. This lets the scanner quickly acquire the data channel.

For Motorola trunking systems, more than one talk group can transmit at a time. If you manually tune the scanner, you will hear the talk group on that channel, but the display will alternate between all active Talk Group IDs.

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Contents Triple Trunking What’s IncludedContents Contents Your Scanner Volume / OFFTo attach the supplied antenna Connecting the AntennaAttaching the Belt Clip Batteries Powering Your ScannerTo charge batteries To install batteriesTo use an external power source External PowerHeadphones and Speakers Backlight and Contrast Keytones and KeylockTo set the keytone To lock the keypadSquelch and Attenuator To change the backlight modeTo turn on the backlight To change the display contrastTo set squelch To set the attenuator modeTo turn the delay on / off Scanner SetupDelay To define a channel Defining a ChannelTo copy a frequency Copying a FrequencyTo delete all saved frequencies in a bank Deleting Saved FrequenciesTo delete a saved frequency To save a Ctcss or DCS code Scanner CloningTo define a channel’s Ctcss or DCS code Seek Search SearchingTo clone the scanner data To activate Seek SearchTo search preprogrammed search banks Search BanksTo search banks SR0-SR2 ZeromaticProgramming a Search Range Signal StalkerTo activate Zeromatic To program the search range of Bank SR7To use Signal Stalker Special Signal StalkerLocking Out Frequencies To use Special Signal StalkerTo lock out a frequency To review and unlock frequenciesTo save a frequency found during a search Saving Found FrequenciesTo unlock all frequencies in a search bank Locking Out Channels ScanningTo scan To locked out a channelTo review all locked out channels To turn on the priority featurePriority Scanning To modify the Priority channel Weather AlertsTo make an existing channel a Priority channel To perform a weather scan Same Standby ModeTo program a weather channel into priority channel To program a Fips codeTo review stored Fips codes Code. The format of a Fips code isTo test the weather alert SkywarnTo enter Same standby To use Skywarn MonitoringTo monitor a channel To find a frequency to monitorTo set a default tuning frequency Trunking SetupDefining a Trunking Bank To define a Trunking BankTrunking Modes Motorola Trunking SetupTo set Open or Closed mode for a bank 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 SetupTo save a correct Home Repeater LTR Trunking Setup To search for Talk Group IDs Searching for Talk Group IDs Saving a Talk Group ID To define a Talk Group ID Deleting Talk Group IDsTo delete ALL talk group IDs in a bank Saving Trunking ChannelsTo delete a Talk Group ID To change the scanning direction, press  or  Trunk ScanningTo set a Talk Group ID delay Trunking DelayLocking Out Talk Group IDs To lock out Talk Group IDsTo review locked-out Talk Group IDs Turning Off Sub-BanksTo turn off a sub-bank To turn off a sub-bank while scanningTalk Group ID Hold Scanner MaintenanceText Tags To set Talk Group ID HoldPage To display the Talk Group ID TroubleshootingScanner is not Working at allReceive any stations Or reception is poor Scanner does notScanner is on but Does not scanBirdie Frequencies To initialize the scanner Service and RepairInitializing the Scanner Scanning Legally FCC Notice Appendix B Search Banks ReferencesAppendix a Glossary Search bank SR1 CB band Receive mode AM Search bank SR2 FRS/GMRS/MURS band Search bank SR4 Aircraft Receive mode AM, FM Ctcss Codes Appendix C Ctcss / DCS CodesDCS Codes Appendix D Signal Stalker BandsAll Band PubSafety Band To use AFS format Appendix E Talk Group FormatMotorola 406-512 MHz 764-960 MHz Appendix F Specifications9V DC Preprogrammed Frequencies 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

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