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(3) Number of digits
This optional field specifies whether or not to transmit the number of digits (2 bytes) of code data to transmit or disables the
transmission (default). Note that UPC and EAN codes (except GS1-128 (EAN-128)) skip this field.
n1: tens (0 to 9)
n2: units (0 to 9)
(4) Code data
The transmission data format for each set of codes is described below.
UPC-A
You can select whether or not to transmit the padding character “0”, number system character “S”, and the check digit to the
host. Disabling the transmission of the number system character “S” automatically disables the transmission of the padding
character “0”.
0 S X
1
X
2
X
3
X
4
X
5
X
6
X
7
X
8
X
9
X
10
C/D
0: Padding character for adjustment of the data length
S: Number system character
UPC-A with add-on
With 2-digit add-on:
0 S X
1
X
2
X
3
X
4
X
5
X
6
X
7
X
8
X
9
X
10
C/D X
11
X
12
With 5-digit add-on:
0 S X
1
X
2
X
3
X
4
X
5
X
6
X
7
X
8
X
9
X
10
C/D X
11
X
12
X
13
X
14
X
15
0: Padding character for adjustment of the data length
S: Number system character
X
11-15
: Add-on code data