2/5 位附加位
2/5 additional bits
Additional digits refer to the 2 or 5 digital barcodes appended to the normal barcode, as
shown in the figure below. The blue line frame on the left is the normal barcode, and the
red line frame on the right is the additional digit. The default is to turn off the extra bit.
Open 2 additional bits
Open 5-digit additional bit code
Turn off 2 additional bits
Turn off 5 additional bits
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