Rockwell Automation 2755-G3-W_G6-W Scanner with Wedge Option - Manual (Page 46)

Message Format Parameters
Chapter 6
6–3
A suffix is a subset of the postamble. Like the prefix,
it is normally assigned to a specific ASCII code.
Examples of suffixes are CR (Carriage Return) and
LF (Line Feed).
Scan the suffix appropriate for your application.
MA Suffix=None *
MB Suffix=ETX
Suffix=CR MC
MD Suffix=LF
ME Suffix=HT
MF Suffix=CR and LF
Suffix