The YHD5100 is designed to be paired with its receiver right out of the box. To test it immediately: : Plug the blue USB receiver into your computer.

: Scan the barcode for "Carriage Return" (CR) or "Line Feed" (LF) found in the manual to automatically move to the next line after every scan.

: Scanning this will reset your connection, so you may need to re-pair the receiver afterward. Setting the Suffix (CR/LF)