How to convert UPC to EAN on Datalogic Gryphon I GD41x0 / GM41x0 / BT4100 / L GD4300
This configuration is necessary when there is a need to prefix the digit 0 with the barcode read;
Generally, this happens with UPC-A and UPC-E barcodes, the first digit (nationality code) is omitted because the encoding is generally used in the United States.
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