Click the icon of the effect that you want to edit from the effect chain screen (at the center of the screen).
In this example, we click the [AMP] icon.
The settings for the effect you clicked are shown at the bottom of the screen.
Edits the effect.
If you want to change the type of amp, click the [TYPE] box and choose from the list.
You can drag a parameter’s dial up or down to edit its value (you can also use the mouse wheel to edit the value). You can double-click, and then enter a numeric value from your computer keyboard, or directly select a value from a list.