Reference:Tweaking Tones
Modulation Effects
Modulation effects are things that swoosh, pulse and
The Oxford Encyclopedic English Dictionary, Third Edition, thank you very much). That modulating wave is what causes all that swooshing, pulsing, and warbling.
Select Knob – turn to load a Modulation effect Model.
Speed – directly controls how fast (or slow) the modulating waveform sweeps.
Tap – set this to OFF to have this effect ignore tempo, or pick a note value that you’d like your speed to match; works with the Tap button/footswitch and the Tempo knob.
Tempo – Shows the tempo that’s been set by Tap, and lets you fine tune it.
Mix – controls the ratio of wet (effected) to dry
Depth – controls the overall amplitude of the modulating wave, which usually determines just how intense the effect will be.
Bass – bass tone control.
Treble – treble tone control.
Config – allows you to choose the position of the Mod pedal in your signal flow: Pre