I use to own a korg ax5b and to program a patch is really simple. you use the left know to select the effects that you want. on that part, use the buttons on the right where the right knob is to select the parameter you want to adjust. then use the right knob to tweak the parameter. once you are done with that, set the left knob to write. click the right button on the right knob twice to save your settings and your done.
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