29Serial Interface ControlPROGRAM Record Suffix, Preamble ,Postamble Setting M_DEFAULTFamily Code Selection P.C Parameter Selection Option CodeSTX/ETX Control SSSSDisable STX/ETX transmission Enable STX/ETX transmissionSTX/ETX are two characters used to indicate the startingand ending of the total data frame transmitted via serialinterface.01Record Suffix SSSSSSSSSSSSMSNoneCR (0DH) LF (0AH)CRLF (0D0AH)TAB (09H)SPACE (20H)User defined character (1 character)0123456, (00-7F)Preamble SSMSNone 1-15 charactersMaximum 15-character input; scan “FIN” to terminatethis selection.FIN[00-7f], [FIN]Postamble SSMSNone 1-15 charactersMaximum 15-character input; scan “FIN” to terminatethis selection.FIN[00-7f], [FIN] Serial Interface Message String (RS232, USB COM) :STX Preamble Data Length Prefix Symbol ID Scanned Data Suffix Symbol ID Postamble ETX Record Suffix1character1-15characters2-3 digits 1 or 2 characters Variable length 1 or 2 characters 1-15characters1 character 1 character