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MT84G User’s Manual V0.1
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supplement.
Enable Supplement Required
Disable Supplement Required*
7.7.4 Check Digit
Send Check Digit*
Not Send Check Digit
7.8 UPC-A
7.8.1 Enable/Disable UPC-A
Enable UPC-A*
Disable UPC-A
7.8.2 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.