Rockwell Automation 2755-G6-D Scanner with RS-232 Option - Manual (Page 76)

Symbologies
Chapter 8
8–13
Scan label TA to disable Code 128.
TA Disable Code 128
Scan option TB to enable Code 128.
TB Enable Code 128 *
Minimum Length
To set a minimum length for Code 128, scan label TC,
then two digits (01-32) in Appendix B.
TC
Minimum Length
+
(Specified by two digits 01-32)
Maximum Length
To set a maximum length for Code 128, scan TD, then
two digits (01-32) in Appendix B.
TD
Maximum Length
+
(Specified by two digits 01-32)
If the minimum and maximum lengths are set
equal, only codes of that exact length are read.
Code 128