Do you know how to load the performance sounds again on this keyboard? The single sounds amd percussion work fine, but when I turn to PERFORMANCE, there is no sound and the display shows ##??!! symbols. Do I have to replace battery? Do I loose the other info if I replace the battery?
Opened it and found a 2032 sony battery soldered, is it that one?
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I can't find that battery!!
My drum machine on yamaha v50 makes a pining noise all the time when I have them on anyone have any idea how to get rid of it
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