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e = user defined error correction level (0 to 8), if it is 0 which means the error correction
level will be set according to PDF417 specification. It will be assigned as per the following
Table:
Error Correction Level
Error Correction
Codewords
Number of Data
Codewords
0 2 --
1 4 1-40
2 8 1-40
3 16 41-160
4 32 161
5 64 320
6 128 > 321
7 256 --
8 512 --
m1 = the most significant byte of data length.
m2= the least significant byte of data length.
Total data length = m1 * 256 + m2
Example
GS ‘k’ 0x0E 0x0 0x0 0x0 0x0 0x23 “This is a PDF417 Test, test 1234567”
prints the following PDF417 image:
GS l Draw Line in Landscape Mode
Description
Draws a line in landscape mode. The thickness of the line is determined by the bit set
by the bitmask, m.
Expression
ASCII GS l n1 n2 L1 L2 m
Decimal 29 108 n1 n2 L1 L2 m
Hex 1D 6C n1 n2 L1 L2 m
41