> Have you tried doing a preset sysx dump? Poly 800 mk1 doesnt support sysx dump ( until mk3-) ). May be would it be similar with tape data loading ? But I suppose it is not only sound-program lost. It looks like more serious thing - may be mentioned power adjustment...
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Re: Poly 800 Mk1 - new EPROM
2007-07-25 by jusufzemplin