Specifications

Maxiva UAX
October 17, 2013
365
8882693004 WARNING:Disconnectprimarypower priortoservicing.
Copyright©2013,HarrisBroadcast
Figure 3-61 LPU CTTB Setup Screen 3
Table358XmtrHome>Excit erHome>Setup>CTTBModulator>Nextx2(screen3)
Fields Explanation
Bitrat
eAdaptation
Choicesar
eEnableorDisable.ThisappliesonlytoMFNmode.BitRateAdaptationwilldropall
incomingnullpackets,introducenewnullpacketsasappropriatetomanagethedatarateand
restampProgramClockReference(PCR)appropriately.ThisisnullpacketinsertionandPCR
(programclockrate,timestamptos
ynchronizethereceiver)restamping.
UnmuteifNoSI
P
ChoicesareYesorNo.ControlswhetherornottheUAXisreleasedfrommuteifnoSIPpacketis
detectedinSFNmode.Thisisanetworksafeguard.
OutputProcessTime Thenetworkdistributiondelayiscalculatedanddisplayed.ThetimesettingsapplytoSFNmode.
LocalDelayAdjust
Furthertr
ansmissiondelaytimeisenteredherebytheoperatortoconformwiththedesire dSFN
designparameters.
TXID
AtransmitterIDfieldusedtoidentifythetransmitter.ThiscorrespondstoCellIDintheGBspecso
transmittercontrolviaCellIDispossibleupstreamviatheSIPinserter.
DCTest ToneMode
EnablingtheDCTe
stToneModetransmitsasingletonewhichisplacedatthecenterofthe
spectrum.Itisusedtomeasurecarrierfrequency.Thesingletonesignalisthesamepowerasthe
exciterisputtingoutnormally.Withthisbeingthesamepowerlevelthisshouldnotcau
seany
damagetothetransmitter.DisablingtheDCTestToneModecausesnormaltransmissiontobe
resumed.