No, no luck, and the player buttons don't do anything either (the knob does though). Actually the buttons "seem" to control the player. Yep, they do! I can watch what they are doing in DisplayServer. The top button doesn't do anything though.
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(list 6284, Mk1 S/N 00299 4GB blue [sold]. Mk2 S/N 080000094 20GB blue)