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Appendix G – Barcode Details
198 Class Series Programmer’s Manual
W1C: DataMatrix with Byte Count Specifier
Specified Length – The upper case C identifies a DataMatrix bar code with a string 4-digit length
specifier. This allows values 0x00 through 0xFF to be included within the data strings without
conflicting with the DPL format record terminators. The four-digit decimal data
byte count
immediately follows the four-digit column position field. This value includes all of the data following
the byte count field, but does not include itself.
<STX>L
D11<CR>
1W1C440000100010000292000000000Datamax<0x0D>prints best<CR>
121100000000100Barcode W1C<CR>
E
From the example above, the bar code’s data stream,
1W1C440000100010000292000000000
Datamax<0x0D>prints best, includes a Byte Count Specifier (the
portion in bold), where 0029 equals the four-digit decimal data byte count
and includes all bytes that follow until the end of the bar code data. Field
termination is set by the byte count. <STX>, <CR>, and <0x0D> all
represent single byte values of hexadecimal 02, 0D, and 0D, respectively.
The DataMatrix bar code produced encodes “Datamax<CR>prints best,”
and prints a line of text: Barcode W1C.
Barcode W1C

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