Owner's Manual
Page 150
... or MIDI is starting up or the Clavinova functions may become unstable. If you must install the specified USB driver (YAMAHA USB MIDI Driver) to enter an unstable state. 150 CVP-206/204 Using the MIDI terminals When using a USB cable to connect the Clavinova to your computer, make the connection directly without...
... or MIDI is starting up or the Clavinova functions may become unstable. If you must install the specified USB driver (YAMAHA USB MIDI Driver) to enter an unstable state. 150 CVP-206/204 Using the MIDI terminals When using a USB cable to connect the Clavinova to your computer, make the connection directly without...