Would seem to be RTFM but no mention in the manual
What a pallaver Long press on Util button press rightmost cursor button until display reads "Mem Lock" for that button Press that button again then rotary selector knob to change display to read "off"
Owner just needed a simple practise amp, but ended up with this thing that is way over the top and needs driving lessons before you can use it. Reminded of the acoustic bass player and his Roland Cube that kept returning to me as it distorted, but absolutely no problem that I could find. Eventually it emerged he just wanted a simple but small amp and speaker for his bass and ended up with all this DSP stuff. His opinion was that as he didn't want any of the features other than volume , he turned all the controls anti-clockwise. That put the "type" feature into octave bass under-imposing an octive under his acoustic bass, hence the observed "distortion"
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