Sharp SD-AT1000W Spécifications télécharger pdf (Page 155)

Maxiva UAX

October 17, 2013

3‐87

888‐2693‐004 WARNING:Disconnectprimarypower priortoservicing.

Figure 3-81 LPU ISDB-T Status Screen 3

Table3‐78XmtrHome>ExciterHome>Status>ISDB‐TModulator>Nextx2(screen3)

Field Explanation

PacketCountA

TotalnumberoflayerAtransportstreampackets(TSPs)received.Countisresetwhenany

parameterchange.

PacketCountB

TotalnumberoflayerBtransportstreampackets(TSPs)received.Countisresetwhenany

parameterchange

PacketCountC

TotalnumberoflayerCtransportstreampackets(TSPs)received.Coun

tisresetwhenany

parameterchange.

NullPacketCount

TotalnumberofNULLtransportstreampackets(TSPs)received.Countisresetonanyparameter

change.

TSModulatorInit

(initialization)Count

Numberoftimethemodulatorhasbeeninitializedbyreceivedparameterchanges.Thisnumber

incrementseachtimetheparameterschange.Thisnumberisres

etonpowercycleorwhenReset

Countsispressed.

ASI1MPEGLossCount

Thisisarunningcountofhowmanytimesthemodulatorhaslostlockwiththe0x47syncbytesin

thetransportstream.ThisnumberisresetonpowercycleorwhenResetCountsispre

ssed.

ASI2MPEGLossCount

Thisisarunningcountofhowmanytimesthemodulatorhaslostlockwiththe0x47syncbytesin

thetransportstream.ThisnumberisresetonpowercycleorwhenResetCountsispressed.

ASIReedSolomonError

Count

TheR‐SErrorcountaccumulatesth

enumberoferrorsdetectedontheinputtransportstream.

Thisdoesnotnecessarilyindicatethesewereuncorrectableerrors,butmoreofanindicationthat

errorswerepresentontheinput.Thisnumberisresetonpowercy cleorwhenResetCountsis

pressed.

IIPUpdateCount

Counterstoringnumberoftime

sIIPUpdateisdetected.Thisnumberisresetonpowercycleor

whenResetCountsispressed.IIP=ISDB‐TInformationPacket.

MPEGPacketsin200ms

Buffer

TheMPEGPacketsinthe200msBuff errefertothedepthoftheinputbuffer.Inordertolocktothe

inputtr

ansportstreamabufferwithawatermarkindicatorisused.Thedepthisreadoncea

secondandtheFFTclockisadjusteduntil100msofdataismaintainedinthebuffer.Thisisnot

applicableinSFNmode.

ResetCounters Softkey,whenpressed,resetstheabovecounter stozero.

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