accordage piano numerique yamaha np 31

Fine Tuning of the Pitch

You can fine tune the pitch of the entire instrument. This function is useful when you play the instrument along
with other instruments or CD music.
Setting the Pitch

Setting range: 427.0 – 453.0 Hz
Default setting: A3 = 440Hz.

To lower or raise the pitch (in steps of roughly 1.0 Hz):
While holding down the [demo] button, press and hold the [metronome ON/OFF] button, then press G3 (to lower) or B3 (to raise).

To lower or raise the pitch (in steps of roughly 0.2 Hz):
While holding down the [demo] button, press and hold the [metronome ON/OFF] button, then press G#3 (to lower) or A#3 (to raise).

To restore standard pitch:
While holding down the [demo] button, press and hold the [metronome ON/OFF] button, then press C3.