Radio Shack PRO-92 owner manual Offset Frequency

Page 52

Notes:

•Base and offset frequencies vary for each type of trunking system. You can get information about these frequencies for the trunking system you want to scan using www.trunkscanner.com, other Inter- net sources, or locally-published guidebooks.

•The scanner automatically decodes subaudible data it receives in the VHF band.

•If you try to enter an offset frequency in the VHF and UHF-Hi bands (137–174 and 806–960 MHz), the scanner will ignore the entry.

Follow these steps to program Motorola trunking fre- quencies in the UHF-Lo band.

1.Select the bank, then press PGM to enter the pro- gram mode.

2.Store the base frequency into channel 00 of the bank you selected, then store the trunking frequen- cies into subsequent channels in the same bank.

3.Press TRUNK then repeatedly press MODE to select MO (Motorola).

4.Press FUNC then 9. 12.5 kHz (the default offset frequency) appears.

Offset Frequency

5.Repeatedly press FUNC then 9 to select the offset frequency you want (12.5 kHz, 25.0 kHz, or 50 kHz).

Note: Offset frequencies above 50 kHz do not appear and are used only for subaudible decoding mode.

6.Program the trunking frequencies (see “Program- ming Trunking Frequencies” on Page 50).

52	Trunking Operation

Image 52

Contents PRO-92 Handheld Scanner Contents Special Features OperationTroubleshooting Care SpecificationsTrunking Operation General Guide to ScanningFeatures Scanner scans Features FCC Notice Scanning LegallyPower Sources PreparationUsing Batteries Preparation11 Charging Rechargeable Batteries Replace the coverUsing AC Power Using Vehicle Power PWR DC 9V jackConnecting the Antenna Connecting an Optional AntennaConnecting AN EARPHONE/ Headphones Listening SafelyUsing the Belt Clip Connecting AN Extension SpeakerTraffic Safety Connecting the Clone Cable About Your ScannerLook AT the Keypad About Your Scanner Look AT the Display Understanding Banks 7 are turned off Search ModeChannel Storage Banks Understanding CTCSS/DCS Search BanksPL Codes DPL CodesUnderstanding Your SCANNER’S Modes Open and Closed ModesAM Mode FM Mode LTR E. F. Johnson ModeMotorola Mode Edacs Mode Turning on the Scanner and Setting Squelch OperationStoring Known Frequencies Into Channels Bank Channel ManualStoring Text Tags Assigning a Text Tag to a ChannelAssigning a Text Tag to a Bank Text Input Chart Press To Enter a Character from this GroupFinding and Storing Active Frequencies Searching a Preprogrammed Frequency RangePress Func 9 w x y zCurrent Search Bank Changing a Search Range with a Preprogrammed Range Storing a Frequency While Searching for a Specified ChannelFunc then Tune Scanning the Channels Manually Changing a Search RangeManually Tuning a Frequency Turning Channel-Storage Banks Off and OnDeleting Frequencies from Channels Listening to the Weather BandListening to a Weather Channel Displaying Weather MessagesSpecial Features Using the Delay FunctionLocking OUT Channels or Frequencies Locking Out ChannelsReviewing the Lock-Out Channels Locking Out FrequenciesReviewing Locked-Out Frequencies Clearing a Locked-Out FrequencyClearing All Lock Out Frequencies in a Search Bank Locked-outPriority Special Features Changing the Frequency Step Changing the Receive ModeDisplay Description Using the Attenuator Range MHz Search Step kHzUsing the Display Backlight Using the KeylockTurning the KEY Tone on and OFF Changing the Display ContrastTrunking Operation Cloning the Programmed Data from Scanner to ScannerUnderstanding Trunking Setting Squelch for the Trunking Mode Programming Trunking FrequenciesProgramming Motorola Trunking Systems UHF-Lo Offset Frequency Programming Fleet Maps Size CodeTalk Group IDS Storing Talk Group IDs Talk Group ID HoldLocking Out Talk Group IDs Reviewing Locked-Out Talk Group IDsClearing Talk Group IDs Clearing All Talk Group IDs in One BankClosed Mode Open and Closed ModesMode Open Closed Changing the Open/Closed ModeGeneral Guide to Scanning Guide to Frequencies US Weather FrequenciesHam Radio Frequencies Birdie FrequenciesGeneral Guide to Scanning Guide to the Action Bands Typical Band UsagePrimary Usage VHF BandAbbreviations Services Band AllocationMeter Amateur Band VHF Low Band- 29-50 MHz in 5 kHz stepsMeter Amateur Band- 50-54 MHz Aircraft Band- 108-137 MHzCm Amateur Band 420-450 MHz Government Band 406-420 MHzLow Band 450-470 MHz Frequency Conversion Problem Possible Cause Remedy TroubleshootingSquelch is not Resetting the Scanner RESETTING/INITIALIZING the ScannerDC 9V jack Care ResetInitializing the Scanner Specifications UHF T9V DC Specifications71 Limited One-Year Warranty

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