Parameter DescriptionEngage Activates the effect.Frequency Controls the volume of the comb filter.FLANGERDecay Controls the decay time.SATURATION Controls the saturation in the feedback path, producing adirtier, compressed sound.STEREO Controls the stereo spread of the effect.Setup PageParameter DescriptionCOLORPolarity Flips the phase of the signal in the feedback loop. Negativepolarity lowers the pitch by an octave and produces a slightlyhollower sound.Tone Offers the choice between Flanger mode, essentially astraightforward comb filter or short delay, and Phaser mode,which shifts the phase of the signal in the feedback loop toproduce a more rounded, hollow tone.12.7.3 Burst EchoA warm, versatile echo with plenty of character, designed for spontaneous splashes of echo.Strong, responsive attacks that taper off into hazy trails are perfect for dub and can also betweaked for more extreme sound design.Effect ReferencePerform FXMASCHINE - Manual - 684