On my Mk1 with v2.00b3, the tuner always starts muted.

Did you try pressing the play/pause button on the remote, or the top button on the front panel?

Geoff
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Got one of the first Mark 2 empegs...
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Geoff
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Mk1 Blue - was 4GB, now 16GB
Mk2 Red - was 12GB, now 60GB