There is always manual .I still don't know why Yamaha doesn't turn to TC Helicon or Digitech like Korg did.Vocalist on Korg pa3 is way better than anything on Yamaha.
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MIKIMIKI

TYROS 5,BEHRINGER X32PRODUCER,YAMAHA DSR112,JBL PRX618s XLF,EV ZLX12p,SENNHEISER E945,....ETC