WHEN I SWITCH ON MY KN6500, ALL THE ACOUSTIC PIANO SOUNDS ARE DISTORTED IN THE UPPER OCTAVES.
SOMETIMES IT WILL COME BACK TO NORMAL WHEN LEFT ON FOR 20 MINUTES BUT AT OTHER TIMES IT TAKES A LOT LONGER.
THIS HAPPENS WHEN PLAYING LIVE OR WHEN PLAYING MIDI FILES.
THE INSTRUMENT IS PERFECT OTHERWISE.
ANYONE OUT THERE WHO HAS HAD THIS PROBLEM.

BILLY NEILL.
PROWLER@FSMAIL.NET

------------------