retcode = AliBitPacking::PackWord(0x3F1F1F1F,fifoFooterWord,0,31);
if(fSDDRawFormat!=0) retcode = AliBitPacking::PackWord(0x7F000000,jitterWord,0,31);
else retcode = AliBitPacking::PackWord(0x80000000,jitterWord,0,31);
retcode = AliBitPacking::PackWord(0x3F1F1F1F,fifoFooterWord,0,31);
if(fSDDRawFormat!=0) retcode = AliBitPacking::PackWord(0x7F000000,jitterWord,0,31);
else retcode = AliBitPacking::PackWord(0x80000000,jitterWord,0,31);