PSC QS200 - Manual (Page 19)

UPC-A/UPC-E - 14 -
UPC-A
TRUNCATE LEADING DIGIT S
= ? 0
TRANSMIT CHECK DIGIT
YES
NO
UPC-E
TRUNCATE LEADING DIGIT S
= ? 0
TRANSMIT CHECK DIGIT
YES
NO
UPC-E TO UPC-A
YES
NO
See example on page 13