Thanks for all your reply regarding my SD1 screen problem.
AJ. I took your advice and having my engineer friend fixed the problem step by step, as you clearly explained, last Saturday, I play the whole night gig, without that problem for the first time.
Again, I am grateful.
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Tye
SD9, Audya5, Genos, Roland XP60, 2 Yamaha DSR12, 2 Yamaha Sub, 2 Turbosound 2000