I never use the Audio file option on the SD Card - it's not really of any interest to me. As far as I'm aware, Fred's tool will not copy the Audio files and I believe the only way is to use the 'Check-Out / Check-In' method, due to the encryption system involved.
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Willum
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Willum
After silence, that which comes nearest to expressing the inexpressible is Music.
Aldous Huxley
( especially when the music is played on a KN7000....)