Datalogic Scanning I GD4100 - Manual (Page 231)

Codabar
Product Reference Guide 229
Codabar
The following options apply to the Codabar symbology.
Codabar Enable/Disable
When disabled, the reader will not read Codabar barcodes.
ENTER/EXIT PROGRAMMING MODE
Codabar = Disable
Codabar = Enable
DEFAULT