Hi, the password feature is on all Technics organs and keyboards and even on some of the PR range. It enables people to create software and protect it from pirates, it is there to enable pro players who have spent many hours setting up a song and sequence from letting anybody using their work while they are still using it as part of a show program.
If you have used a demo disk or early technics or tecnote disc it may well have this protection on it.so unfortunately you cannot use this disc as a basis for new settings that you may want to save. The only way to remove the password request is to reset the organ. This is a total initial as shown in your owners manual.
Best regards John Dawson.