MT84G User’s Manual V0.1
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supplement.
Enable Supplement Required
Disable Supplement Required*
7.9.4 Check Digit
Send Check Digit*
Not Send Check Digit
7.10 UPC-E1
7.10.1 Enable/Disable UPC-E1
Enable UPC-E1*
Disable UPC-E1
7.10.2 Supplement
Supplement, also known as addenda or add-on, is the add-on barcode
encoded with supplementary information next to the main barcode on
periodicals and paperback books. The supplement can be either 2 or 5 digits.