On my Pa4x, I edit all the time, even live at a gig. Little nuances may sound different during performance, mostly balances. I could use the control knob, but I prefer to write it correctly. Again, this is very fast and easy-one push and save.
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pa4X 76 ,SX900, Hammond SK1, Ketron SD40,Ketron Event X Centerpoint Space Station, Bose compact