Inquiry about Electronic Musical Instruments and Professional Audio Products

• About the Products and Services (including their Owner's Manual other than Electronic Musical Instruments and Professional Audio Products):
  
     http://www.global.yamaha.com/support.html
  
  
  
• About the Owner's Manual (Electronic Musical Instruments and Professional Audio Products only):
  
     https://www2.yamaha.co.jp/manual/english/info/inquiry2.html