Search for "Armonía Plus User Manual v4.0" (update the version number as needed). Powersoft keeps legacy manuals available for older hardware compatibility.
Hit F6 in any view to open the global spectrum analyzer. This allows you to see the frequency content of your input signal superimposed over your output EQ curve. The manual mentions this on page 124, but it is the single most underused diagnostic tool. powersoft armonia plus manual