Denso AT27Q-SB User Manual page 63

(6) Number of digits
This optional field specifies whether or not to transmit the number of digits (2 or 4 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.
4 digits (4 byte) transmission
n1: thousands (0 to 9)
n2: hundreds (0 to 9)
n3: tens (0 to 9)
n4: units (0 to 9)
2 digits (2 byte) transmission
n1: tens (0 to 9)
n2: units (0 to 9)
(7) Code data
The data format for each symbology is described below.
QR Code / MicroQR Code / iQR Code
Code data read will be transmitted as is.
Structured Appended QR Code / Structured Appended iQR Code
In edit mode and batch edit mode (Structured Appended QR Code only): The scanner edits code data read and then
transmits it. It does not transmit the code number, number of splits, or parity.
In non-edit mode: The scanner transmits the code number, the number of splits, parity, and code data read. The code
number and the number of splits are 1 byte each and the parity, 2 bytes in hexadecimal format.
SQRC
Code data read will be transmitted as is. When "Enable transmission of disclosed data only" is selected in "SQRC
Encryption key match", it transmits only non-disclosure data.
X1 X2 ･･･Xn-1 Xn Y1 Y2 ･･･Ym-1 Ym
Xn：Disclosure data
Ym：Non-disclosure data
When "Disclosure data plus non-disclosure data" is selected, the following format applies.
X1 X2 ･･･Xn-1 Xn Y1 Y2 ･･･Ym-1 Ym
When "Transmit only non-disclosure data" is selected, the following format applies.
Y1 Y2 ･･･Ym-1 Ym
PDF417, MicroPDF417, MaxiCode , Data Matrix , and Aztec
Code data read will be transmitted as is.
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