Datalogic Scanning I GD4100 - Manual (Page 144)

Symbologies
142 Gryphon™ I GD4100
EAN 8 — cont.
Expand EAN 8 to EAN 13
Enable this option to expand EAN 8/JAN 8 labels to EAN 13/JAN 13.
ENTER/EXIT PROGRAMMING MODE
Expand EAN 8 to EAN 13 = Disable
Expand EAN 8 to EAN 13 = Enable
DEFAULT