How to Fix out of tune electric piano keyboard
With piano off hold down The C key all the way to the right without letting go of the key turn on piano, let go of C key once piano has fully turned on. piano manual link below
Same for the second reset: With piano off hold down The Track 1 & Track 2 keys without letting go of the keys turn on piano, let go of Track 1 & Track 2 keys once piano has fully turned on.
I didn't show it in the vid because I was recording with my second hand.
God Bless.
How Fix out of tune electric piano Behringer Concert CDP1000, CDP2000
piano manual https://www.manualslib.com/manual/739...
read page 18