Wasp Barcode WDI4600 2D Quick Reference Guide - Manual (Page 22)

Selecting the Interface Type
18 WDI4600
Numlock
This option specifies the setting of the Numbers Lock (Num-
lock) key while in keyboard wedge interface. This only applies
to alternate key encoding interfaces. It does not apply to USB
keyboard.
ENTER/EXIT PROGRAMMING MODE
Numlock = Numlock key unchanged
Numlock = Numlock key toggled