Datalogic Gryphon I GD4100 Product Reference Manual page 244

Symbologies
Codabar — cont.
Codabar Set Length 2 — cont.
Select Codabar Length 2 Setting
Make a mistake? Scan the CANCEL barcode to abort and
not save the entry string. You can then start again at the
beginning.
242
ENTER/EXIT PROGRAMMING MODE
50 = Length 2 is 50 Characters
DEFAULT
CANCEL
Gryphon™ I GD4100