Datalogic Scanning GRYPHON GM4100 - Manual (Page 37)

Numlock
Quick Reference Guide 33
Numlock
This option specifies the setting of the Numbers Lock (Numlock)
key while in keyboard wedge interface. This only applies to alter-
nate key encoding interfaces. It does not apply to USB keyboard.
ENTER/EXIT PROGRAMMING MODE
Numlock = Numlock key unchanged
Numlock = Numlock key toggled