Use the Retail Settings to choose your barcode type if required and the variant separator for your stock items.
Open: Retail > System Set Up > Setup.
Variant separator.
This is the character that the system will use for the generation of stock items and variants. The generated stock code uses the code for the style along with the code for the individual variants separated by the character specified on this window. For example, JEAN1/60/74/83.
Is using bar code.
Select this check box if you want the system to generate a unique barcode for each item as it is created when you set up your merchandise details.
Bar code type.
Select the barcode type that you use in your shops from the drop-down list.
The Wholesale and Retail module supports the EAN13 and UPCA barcode formats.
EAN13 is the barcode type, implemented by the International Article Numbering Association (EAN) in Europe.
EAN13 barcodes are divided into 4 areas: the number system, manufacturer code, product code and the check digit (an additional digit is used to make sure that the code has been scanned correctly).