This is the owner's manual for the Kawai CA840/640/440 digital piano. The manual begins with important safety instructions and FCC information, then introduces the instrument's keyboard, sound presets, reverb effect, and MIDI jacks.
The contents cover basic controls, playing the piano, recording and playback, Concert Magic, advanced features such as split point and tuning, the MIDI interface, MIDI exclusive data format, specifications, and a MIDI implementation chart.
Move the volume slider to the right to increase the volume, or to the left to decrease it.
They are for headphones sold separately, including Kawai's optional SH-2 and SH-5 headphones.
It splits the keyboard into an upper and lower half with different tone colors; the split point can be changed.
Pressing it sustains the sound even after you remove your hands from the keyboard.