Owner`s manual

Eight DSP Parameters
(These Eight vary depending on the
DSP type, see details in the
Keyboard's Owner's Manual)
You can also set the Reverb, Chorus, EQ and DSP Type by right clicking
and selecting from a pull down menu, as in the following example:
When you use the right click method to get the DSP Type pull down menu,
note also that each DSP type has a sub menu with many variations for
each DSP type, for example in the following you can see the huge list of
DSP presets for the Guitar FX type: