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Appendix G
E-Class DPL Programmer’s Manual 127
W1z / W1Z: MicroPDF417
Valid Characters: All ASCII characters, depending on the selected options.
Variable Length: This is a 2 dimensional barcode capable of holding large amounts of data in a small
area. It provides a high level of redundancy and error checking.
Specified Length: With a string four-digit length specifier, values 0x00 through 0xFF to be included
within the data strings without conflicting with the DPL format record terminators.
Record Structure: a W1 b c d eee ffff gggg [hhhh]ijkl0 mm…m
Where
:
Field Valid Inputs Meaning
a
1,2,3, and 4 Rotation
W1
W1 Fixed value, extended barcode set
b
zandZ Lowercase selects the MicroPDF417 bar code, variable length
Uppercase selects the MicroPDF417 barcode with a Byte Count
Specifier.
c
0to9andAtoO Module size horizontal multiplier; 0 = default size.
d
0to9andAtoO Module size vertical multiplier; 0 = default size.
eee
000 No Effect
ffff
0000 to 9999 Label position, row
gggg
0000 to 9999 Label position, column
[hhhh]
0000 to 9999 Optional string length specifier. Field termination is set by this byte
count. This decimal value includes all of the data following this byte
count field, but does not include itself.
i
1to4 Number of columns
j
0to9andA Row / Error Correction index
k
0, 1 Byte Compaction Mode (1)
l
0, 1 Macro Character Substitution Disable (1)
0
0 Fixed ASCII digit 0. Reserved for future use.
mm…m
8-bit data, followed by a
termination character
Data to be encoded
The number of columns (i) and the row / error correction index (j) combine to form a
row/column/error correction selection index (ij) which determines other characteristics of the symbol
as shown in the following table.