This knob adjusts volume normally. Press it to enter into menu to adjust function (4 tone modes/ 3 band EQ/low cut/delay, etc, diaplayed on LCD). after function adjustment, user can select EXIT to escape out from menu or it escapes out automatically after no operation.
> Unique contour, compact enclosure, light weight, black paint finish;
> 15mm plywood enclosure; slot-tongue structure;
> f35mm socket for pole mounting; 12 M10 flying points for convenient suspension;
> Class D and Class AB dual power amplifiers, 350W+50W;
> 24bit 48kHz DSP processor; LCD display to conveniently adjust tone, 3 band EQ, low cut, limit, delay, volume, etc;