Upc settings, Start/end program menu, Upc-e w/ cc & cd (8 digits) – Opticon OPT-6125 User Manual
Page 18: Upc-e w/o cc, w/ cd (7 digits), Upc-e w/ cc, w/o cd (7 digits), Upc-e w/o cc & cd (6 digits), Xmit upc-e as upc-a w/ cd (8 digits), Do not xmit upc-e as upc-a w/o cd (7 digits)