Datalogic QD2100 Product Reference Manual page 11

Intercharacter Delay
Intercharacter Delay — cont.
ENTER/EXIT PROGRAMMING MODE
Intercharacter Delay = No Delay
Select Intercharacter Delay Setting
Make a mistake? Scan the CANCEL barcode to abort and not
save the entry string. You can then start again at the beginning.
CANCEL
00 = No Intercharacter Delay
DEFAULT
Product Reference Guide 49