8 - 10 LI4278 Product Reference Guide
USB Ignore Unknown Characters
This option applies only to the HID Keyboard Emulation device and IBM device. Unknown characters are
characters the host does not recognize. When Send Bar Codes With Unknown Characters is selected, all
bar code data is sent except for unknown characters, and no error beeps sound. When Do Not Send Bar
Codes With Unknown Characters is selected, bar code data is sent up to the first unknown character, then
the linear imager scanner issues an error beep.
Send Bar Codes with Unknown Characters
USB Convert Unknown to Code 39
This option applies only to the IBM Handheld, IBM Tabletop, and OPOS devices. Scan a bar code below to
enable or disable converting unknown bar code type data to Code 39.
Disable Convert Unknown to Code 39
Do Not Send Bar Codes with Unknown Characters
Enable Convert Unknown to Code 39