rfid 2d barcode scanners,IP68 rugged handhleldputer,Android 7.1 PDA with fingerprint reader,Healthcare mobileputer,Portable thermal printer with barcode scanner Total Revenue: Above US$100 MillionAug 16, 2017 · 14. Scan the barcode of the product (that appeared on the barcode generator site) and the product should automatically appear in the shopping cart, with the bar code appearing in the Search for product field. You can also scan the bar code on a printed order receipt and the order number will automatically appear on the POS Orders page for you ...Simple user guide as following: To scan the QR code / Barcode , simply open the QR code scanner / Barcode scanner app free, align the code. QR scanner / Barcode scanner app free will automatically recognize any QR code. To scan QR code / flashcode, if the code contains a URL, you can open browser to the site by press browser button .Apr 30, 2020 · When trying to add a key to the Google Authenticator app using a QR code, the only way is to scan it. If the QR code is on my phone screen (i.e. web browser), the camera scanning won't work for obvious reasons. The manual key is not provided in this case, so the QR code is the only option available.