1. Click on the link below to locate the Mac driver
http://www.yamahasynth.com/downloads/drivers_software/interfaces/ux16/driver/
2. Download and install the Mac driver.
3. Connect the MIDI Out to theMIDI In and the MIDI In to the MIDI Out of the keyboard.
4.On the computer, go to 'AudioMIDI Setup' and click on theMIDI tab.
5.Select 'Add Device'.
6.Drag the new devicebelow the UX16 and connect the arrows to each other. This will complete the MIDIconnection.