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UnterhaltungNRW
2 years ago

As Tuni says. Also welcome a radio amateur with a few thousand watts power. Legal. It’s already in bad, non-shielded cables. Go to another room, plug in the power plug differently. cheap cable/ cheapcopier from

tunik123
2 years ago

It might be that near someone has installed a (illegal) CB radio amplifier. And then, he’s struggling into the electronics of your keyboard.

zelli7
2 years ago

some China product…

like talking washing machines or music boxes and so on.

verreisterNutzer
2 years ago
Reply to  zelli7

That can’t be, I have this keyboard for years, why this is happening now

zelli7
2 years ago

Model details would be helpful…

zelli7
2 years ago

Aha there seems to be a finger-set language that you can turn on and off in the manual…

verreisterNutzer
2 years ago

keyboard casio ctk 496