Microcom 814M Programming Manual - Manual (Page 69)

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[Range] m = 0, 1 ≤ nA ≤ 255, 0 ≤ nB ≤ 1, 1 ≤ nC ≤ 2
[Description] he meaning of n is defined as follows:
Parameters Meaning of the parameters
m Fixed to 0
nA Width of barcode basic cells
nB Language mode 0:Chinese 1:Japanese
nC Symbol type 1:Original type 0: Enhanced type
[Notes] When the parameter is beyond the range, this command will be disabled.
GS p n
[Name] Set all the parameters to define the PDF417
[Format] ASCII GS p nA nB nC nD nE nF
Hex 1D 70 nA nB nC nD nE nF
Decimal 29 112 nA nB nC nD nE nF
[Range] 1 ≤ nA ≤ 10, 1 ≤ nB ≤100, 3 ≤ nC ≤ 90,1 ≤ nD ≤ 30, 1 ≤ nE ≤ 7, 2 ≤ nF ≤ 25
[Description] the meaning of n is defined as follows：
parameters meaning of the parameters
nA Aspect scale factor of height
nB Aspect Scale factor of width
nC Number of rows
nD Number of columns
nE Width of basic cells
nF Height of basic cells
[Notes] nA and nB are valid when nC and nD are equal to zero.
GS q n
[Name] Set error correcting grade of PDF417
[Format] ASCII GS q n
Hex 1D 71 n
Decimal 29 113 n
[Range] 0 ≤ n≤ 8
[Description] Set error correcting grade of PDF417
GS r n
[Name]
[Format]
Transmit status
ASCII GS r n
Hex 1D 72 n
Decimal 29 114 n