Just to add to this thread, I had version 1.3 which was installed by the supplier on my KN7000. I had no real problems in normal use, but one day decided to add backing tracks from some commercial backing track CD's to a SD card. The KN7000 would only accept one or two CD's worth of files to the SD card without producing an error message.

I contacted Panasonic in the UK, only about a year ago, and they sent me version 1.6 on floppy discs free of charge, which cured this MP3 error problem.

So I don't think it just fixes some German text problems.

Glen