Datalogic Joya User Manual page 45

Use and Functioning
Group Separator Replacement
The group separator replacement is a non printable data separator
character (ASCII code 1D hex). Use the Group separator replacement
to select a special character that will be used as GS data separator
substituting the standard GS character.
Remove Non-printable Characters
Select it to remove non-printable characters from a unicode string.
User's Manual 39