Application support: (800)854-1569 Yamaha parts (888)892-6242 or Parts email partsyca@yamaha.com Technical Support: (800) 854-1965 Press 2, 3 or 4 (Keyboards and PRO AUDIO) Technical Support: (800) 854-1569 Press 2 (Piano) Technical Support YAMAHA COMMERCIAL AUDIO: 1-866-211-9366 Technical Support BAND & ORCHESTRAL: 800-940-6606 For owner’s manuals, OS updates and MIDI Drivers please sign up for EASYPass on http://usa.yamaha.com/ Other Product web sites for Drivers, software and manuals: http://www.yamahasynth.com http://www.yamahaproaudio.com/ http://www.yamahacommercialaudiosystems.com