To delete a prefix, it is enough to confirm an empty prefix.
17.3.2 Check digit
This function makes it possible to activate the internal check digit control for the barcodes with
quantity and value. If all the articles with barcodes containing quantity and value have
according to the standard a calculated internal check digit, then it is recommended to enable
this function.
17.3.3 Length of barcodes with price/weight
Choose the prefix number, e.g. 3
Change the keyboard characters to digits by pressing 1/3, enter
the prefix digits, and confirm.
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