Xdd Erc Er - Kawai MR3000 Owner's Manual

3) Tuning
gn
* Procedure
(1) Make sure that the piano is in the programming mode.
(2) Press the CLAVI switch so that it flashes to indicate that the
piano is ready to be tuned.
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(5) Leave the programming mode.
-Note: Momentarily turning off the power restores the original pitch.