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Topic starter
Hello, can you please help me to fix problem with YAMAHA DX 21 ? :
I replaced internal battery and lost every sound.
Then, I tried to reset machine and after reseting, I have just one elementary sound, like clean sinus wave.
So, how to back sounds (factory sound or other)...?
Thank you very much.
Posted : 18/08/2016 11:17 am
Yamaha DX21 Authorized Product Manual
Posted : 19/08/2016 9:22 am
Topic starter
It was helpful !!!
Thank you so much.
Posted : 20/08/2016 11:55 am
