I'm not sure about upgrading SD Jukebox in the context of the KN7000. I do know that the SD Jukebox software Company produces its software for several different purposes including MP3 players etc and I think that the version we were given with the KN7000 might possibly be the only one that is suitable for conversion of files for use in our keyboard model - perhaps someone else might be able to confirm or deny this point...
Rog
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Roger M