Denso QK11-U User Manual page 29

(5) No. of digits
The number of digits in code data is expressed in 4 bytes. You may select whether it will
be transferred, by using the QR-coded parameter menu.
n1: 4th digit (0 to 9)
n2: 3rd digit (0 to 9)
n3: 2nd digit (0 to 9)
n4: 1st digit (0 to 9)
(6) Code data
The QK11-U will transfer data read whose contents differ depending upon the code type
as described below.
QR Code
All data read
UPC-A
0 S X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 C/D
where, S: Number system character
X1 to X10: Data digits
C/D: Check digit
UPC-E
X1 X2 X3 X4 X5 X6 C/D
where, X1 to X6: Data digits
C/D: Check digit
EAN-13
Y1 Y2 X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 C/D
where, Yn: Flag character
X1 to X10: Data digits
C/D: Check digit
EAN-8
Y1 Y2 X1 X2 X3 X4 X5 C/D
where, Yn: Flag character
X1 to X5: Data digits
C/D: Check digit
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