EAN 128 Barcode how to display only Serial Number (21)?

Dear all,


we are having a ean 128 Barcode on our products.


It consist of the Apllications Ident. (01),(17) and (21) , now we would like to display only the digits of the barcode after the (21).


I am trying to figure it out using 123 Scan2 but did not come to a solution yet!


Does anybody know how I can configure the scanner like this?


I really appreciate your help!


Thanks and best regards