Specifications

Maxiva UAX
October 17, 2013
3‐43
888‐2693‐004 WARNING:Disconnectprimarypower priortoservicing.
Copyright©2013,HarrisBroadcast
3.7.10 SetupScreens‐ISDB‐TModulation
Figure 3-41 LPU ISDB-T Setup Screen 1
Table3‐30XmtrHome>ExciterHome>Setup>ISDB‐TModulator(screen1)
Fields Explanation
PowerOnInput Theselectedinput,ASI1orASI2,becomestheactiveinputwhentheexciterispoweredup.
AuxiliaryInput
ChoicesareNoorYes.
Ifyesisselectedtheexcitercanbemadetoswitchtoanauxiliary inputiftheactiveinputfaults
ordropsout.
ActiveInput Thes
electedinput,ASI1orASI2,istheactiveinput.
StreamLock ChoicesareGPSandStreamRate.
SwitchingMode
ChoicesareAutomaticorManualswitchingoftheASITransportstream.
IftheASIswitchmodeisinAutomaticandthecurrentASIstreamhasanissue,ordropsout,
thesystemwi
llswitchtotheAuxi liary ASIstreamifitisavailableandgood.
RaisedCosineWindow
ThisentryenablesRaisedCosineWindowshapingbetweenOFDMsymbolstoreduceout‐of‐
banddistortion.UpanddownarrowsallowtheselectionofBypass,Min(minimum),Med
(medium),orMax(maximum)raisedcosinefunctions.
Reed‐So
lomonDecoding
ThisentryallowsReed‐SolomonDecodingtobeEnabledorDisabledontheincomingtransport
stream.Reed‐SolomonDecodingmustbeenabledonlywhenthetransportstreamcontainsRS
encoding.
TestPattern
PressingtheSingleTonesoftkeyinthetestpatternsubwindowcausesasingletone,placedat
thece
nterofthespectrum,tobetransmitted.Itisusedtomeasurethechannelcarrier
frequency.Thesingletonesignalisthesamepowerastheexciterisputtingoutnormally.
NormaltransmissionisresumedbypressingtheStopTestsoftkey .