116 Vuquest 3320g User Guide
UPC-E0 Addenda Required
When Required is scanned, the scanner will only read UPC-E bar codes that have 
addenda.  Default = Not Required.
UPC-E0 Addenda Separator
When this feature is On, there is a space between the data from the bar code and 
the data from the addenda.  When turned Off, there is no space.  Default = On.
UPC-E0 Check Digit
Check Digit specifies whether the check digit should be transmitted at the end of 
the scanned data or not.  Default = On.