Specifications

Section-3 Operation
October 17, 2013
3‐88
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3.8.10 StatusScreens‐DVB‐TModulation
Figure 3-82 LPU DVB-T Status Screen 1 (right)
Table3‐79XmtrHome>ExciterHome>Status>DVB‐TModulator(scr een1)
Field Explanation
ActiveStream DisplaysActiveTransportstream.
ASIPacketStatus
Innon‐hierarchymodeonlythehighpriority(HP)inputisused.Inhierarchymodebothhighpriority
(HP)andlowpriority(LP)inputsareused.
TheDVB‐TPacketStatussubwindowdisplaysthestatusof parametersforthefourASIinput
transportst
reamsshownfollowing:
ASI1HP:Primaryinput,highprioritychannel
ASI1LP:Primaryinput,lowprioritychannel
ASI2HP:Auxiliaryinput,highprioritychannel
ASI2LP:Auxiliaryinput,lowprioritychannel
ASIInput"PRES"ingreenbackgroundifinputispresent,"‐‐"ifinputmissing.
ASIUncorr(ected)
Error
Displays"OK"ifnoerrorsareuncorrected,"Error"ifsomepack etshaderrorsthatcouldnotbe
correctedbyReed‐Solomonerrorcorrection.
ASICorrectedError
ASICorrectedErrordisplays"OK"ifnoerrorsdetected,"Error"ifsomepacketshaderrorsthatwere
correctedbyReed‐Solomonerrorcorrection.
ASIInputOverflow
ASIInputOv
erflowdisplays"OK"ifinputdatarateOK."Error"ifinputdataratetoohigh(FIFO
overflow).
NITStatus
NITStatusdisplays“NITOK”ifanNIT(NetworkInformationTable)packetisdetectedininput
transportstream.IfnoNITpacketsaredetectedthen“NoNIT”willbedisplayed.
PCRStatus
PCRSta
tusdisplays“PCROK”ifPCR(ProgramClockReference)hasbeendetectedintransport
stream.Ifnotransportstreamispresentitwilldisplay“NoNIT”.Iftransportstreamispresent,but
PCRisnotpresentitwilldisplay“NoNIT”.
MIPStatus
MIP(Mega‐frameInitializationPacket)Statusdisplays“MIPOK”ifMIPpa
cketsaredetectedin
transportstreamandtheyhavenoerrors.IfnoMIPpacketsaredetected,orifthereareMIPpacket
errors,itwilldisplay“Error.Iftheinputisnotrequiredthen“N/A”willalwaysbedisplayed.
SFNSync
SFN(SingleFrequencyNetwork)Syncdisplays“OK”ifUA
X‐CintheSFN(SingleFrequencyNetwork)
modeandthemega‐frametimingisproperlyaligned.IfinSFNmodeandthemega‐frametimingis
notproperlyalignedan“Error”willbedisplayed.
IfnotinSFNmodeoriftheinputisnotrequired,then“OK”isal
waysdisplayed.
MFSStatus
MFSSync(MegaFrameSync)displays“OK”ifMPEGsyncword0x47isdetectedproperlyintransport
streaminput.IfMPEGsyncwordisnotdetectedproperlythen“Error”willbedisplayed.Iftheinput
isnotrequired,then“OK”isalwaysdisplayed.