Reset to factory default settings and serial interface USB serial interface (USB-COM) of the barcode reader Datalogic Magellan 800i
Download the drivers following this link and proceed to installation; USB COM interface needs driver to work properly
Download user guide from this link
Print page 3 and scan
Print page 28 (la 36 esima del pdf) and scan:
From Control Panel, then devices you can choose COM port assigned to device