Denso AT27Q-SB User Manual page 112

Scanning Code 128 (EAN-128 (GS1-128))
Disable
Scanning Codabar (NW-7)
Disable
Enable with a check digit
(Check digit transmission enabled)
Transmission of start/stop codes for Codabar (NW-7)
Disable
(Check digit transmission disabled)
99
Enable (default)
Enable without a check digit
(default)
Enable with a check digit
Enable (default)