3Preface About this Owner’s ManualBefore attempting to play this instrument, please read the Preparation Before Use section from page 10 of this owner’s manual.This section explains the name and function of each part, how to connect the power cable, and how to turn on the power.The Playing the Piano section (page 12) provides an overview of the instrument’s most commonly used functions, allowingthe KDP90 digital piano to be enjoyed almost immediately after being connected, while the Internal Songs section (page 17)includes information regarding the built-in demonstration songs, Concert Magic songs, and Lesson function.The Recorder section (page 26) provides instructions on how to record and play back pieces stored in the instrument’s internalmemory, and the Settings section (page 28) details the settings that can be used to adjust a number of sound and keyboardcharacteristics, as well as basic MIDI functionality.Finally, the Appendix section (page 41) includes listings for all demo, Concert Magic, and Lesson function songs, a troubleshootingguide, assembly instructions, MIDI reference information, and full specification details. KDP90 Feature HighlightsAdvanced Hammer Action IV-F weighted-key keyboard actionThe Advanced Hammer Action IV-F (AHA IV-F) keyboard action has been developed to represent the distinctive touch ofan acoustic grand piano, with its remarkable springless design providing consistent upward and downward motion fora smooth, natural, piano playing experience.Moreover, just as acoustic pianos utilise heavier bass hammers and lighter treble hammers, the AHA IV-F keyboard actionalso employs different hammer weights, appropriately graded for each playing range. Such attention to detail allowsgreater stability during fortissimo passages, while preserving delicate pianissimo control, to satisfy the demands of eventhe most discerning pianist.Harmonic Imaging™ (HI) sound technology, 88-key piano samplingThe KDP90 digital piano captures the beautiful sound of Kawai’s highly acclaimed hand-built concert grand piano, withall 88 keys of this exceptional instrument meticulously recorded, analysed and faithfully reproduced using proprietaryHarmonic Imaging™ technology. This unique process accurately recreates the broad dynamic range of the original grandpiano, affording pianists an extraordinary level of expressiveness ranging from the softest pianissimo to the strongest,boldest fortissimo.Additional reverberation effects that simulate the acoustic environment of a recital room, stage, or concert hall are alsoapplied, resulting in a rich, vibrant piano tone that delivers breathtaking realism and authenticity.Internal Song recorder, Built-in Lesson FunctionThe KDP90 digital piano features a three song recorder, allowing performances to be recorded to internal memory andplayed back at the touch of a button.In addition, the convenient lesson feature allows aspiring pianists to learn the piano using a built-in collection of etudesfrom Czerny and Burgmüller, or songs from the popular Alfred course books. The left and right hand parts for each piececan be practiced separately, while adjusting the tempo allows more difficult passages to be perfected.