Byte Compaction Mode (j = 1)
A value of 1 forces Byte Compaction. The compaction ratio is six 8-bit bytes of data
compressed into a 5-symbol code word. See the table above for the maximum data
allowed for any row/column/error correction selection index (hi).
Macro Character Substitution Disable (k=1)
By default Macro Character Substitution is enabled (k=0). When enabled, Byte
Compaction has priority over Macro Character Substitution. When Macro Character
Substitution is enabled, the data stream header and trailer are compacted when they
conform to the following forms:
l
[)>
R
S
05
G
S
data
R
S
E
O
T
, or
l
[)>
R
S
06
G
S
data
R
S
E
O
T
where:
l
data may not contain adjacent bytes with values
R
S
or
G
S
l
(
R
S
= 30
10
, 1E
16
and
G
S
= 29
10
, 1D
16
and
E
O
T
= 4
10
,4
16
)
Functions Not Supported
l
General Purpose Extended Channel Interpretations, including Code-128 emulations
l
Structured Append
l
Reader Initialization Symbol Generation
l
Module shaving
Behavior
l
Valid Characters: All ASCII characters, depending on the selected options.
l
Variable Length
Sample
<STX>L
D11<CR>
1W1z000000015010014000PDF417<CR>
121100000000100Barcode W1z<CR>
E
Result
Prints a MicroPDF417 barcode, default module size (cd = 00), with 1 column, 24 rows,
error correction of 33%, no byte compaction, macro character substitution enabled.
248
DPLCommand Reference
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