Datalogic QuickScan Lite QW2100 Quick Reference Manual page 34

Keyboard Wedge Interface
To use a Keyboard Wedge interface, scan the bar code for the
desired keyboard type.
Select KBD-AT
(AT, PS/2 25-286, 30-286, 50, 50Z, 60, 70, 80, 90 & 95
w/Standard Key Encoding)
Select KBD-AT-NK
(IBM AT PS2 with standard key encoding but without external kbd.)
Select KBD-AT-ALT
(AT, PS/2 25-286, 30-286, 50, 50Z, 60, 70, 80, 90 & 95
w/Alternate Key)
Select KBD-AT-ALT-NK (for IBM AT PS2 with alternate key
encoding but without external keyboard)
Select KBD-XT (PC/XT w/Standard Key Encoding)
TM
30 QuickScan Lite QW2100