Denso HC36IITK-A Operation Manual page 13

To connect the scanner between a PC and numeric keypad,
choose this setting.
Numeric keypad
"With numeric keypad"
Caps Lock mode
Choose CAPS ON or OFF to match the connected keyboard's
Caps Lock state.
"CAPS OFF" (Default)
Num Lock mode
Choose NUM ON or OFF to match the connected keyboard's
Num Lock state.
"NUM ON" (Default)
PC
"CAPS ON"
"NUM OFF"
10
Handy scanner