Motorola GTR 8000 - Verifying Transmitter Performance (Analog Operation); Figure 5-22 Configuration for Modulation Fidelity Measurement (Aeroflex 2975 Series Service Monitor)

5.10.8VerifyingTransmitterPerformance(AnalogOperation)
8ClickStartPatternTransmission.
Stepresult:Theservicemonitordisplays:
•Thetestpatternonthemodulationscope.
•Theamountofdeviationofthecarrier.
•TheModulationFidelityasapercentage.
•Thetransmitterscarrierfrequencyerror.
Figure5-22CongurationforModulationFidelityMeasurement(Aeroex2975Series
ServiceMonitor)
9RecordtheNAC,TGID,andSIDreadingsfromtheP25UplinkData(intheOptionsmenu)foruseindigital
ReceiverTesting.
10ClickStopPatternTransmissiontoturnoffthetesttone.
11Disconnecttheservicemonitorandreconnectthetransmitantenna.
12Ifnofurthertestingisneeded,clickChangetoNormalModetoreturnthebaseradiotonormaloperation.
5.10.8VerifyingTransmitterPerformance(Analog
Operation)
Whenandwheretouse:
ToverifythebaseradiotransmittermeetstheASTRO
®
25systemstandards,thebaseradiomustbeforcedto
transmitaV .52standardtestpattern.
ProcedureSteps
6871022P86-A-November20125-43