Portable Grand DGX-640 Owner's Manual Brandname: Yamaha Category: Musical Instrument Total Pages: 120 Table of contents SpecialMessageSection2Precautions4Logos6DataList7PlayAlongWithStyles8PressTheVoiceButton18PlayTheKeyboard19Setting22Sure23PressTheStyleButton24Style25StartPlaying26Chords27PressTheSongButton28ListentoTheSong29SelectASong32SelectASong33ChangingValues35DisplayNames36BackupClear64