Note: Mostly Neware customers are still use BTS7.6.0 software, this article is also based on BTS7.6.0 or BTS7.5.x. About the barcode operation, please follow the instruction below. Modify the BTS.ini file(normally in C:\Program Files (x86)\NEWARE\BTSClient7.6.0\BTS.ini ) Find LENGTH = 12 in [BARCODE] segment, change this value from 12 to 0, then the length of barcode could be 0-20, more flexible(not