PSR-E423 Owner's Manual Brandname: Yamaha Category: Electronic Keyboard Total Pages: 92 Table of contents SpecialMessageSection2Precautions4Logos6DataList7CreatingNewSounds8UsingAnAcPowerAdaptor10PressTheVoiceButton16PlayTheKeyboard17ArpeggioFunctionOn20Filter22Effect23Display24PressTheStyleButton26Style27StartPlaying28Chords29PressTheSongButton30ListentoTheSong31BackupClear50