When my scan is successful, the output is missing numbers?

1. First get the type of barcode to be scanned, please upload the barcode to this website to get the barcode type.

https://products.aspose.app/barcode/recognize

2. Please turn on the system bit and transmission bit (this article takes turning on the UPC-A as an example).

1. Go to the Keyboard Emulator application. Click 2DSettings > Code  settings>UPC-A > Turn on Transmit Check Digit和System character +Data。
2. Once done, you can test it in the Application Content Test box.