The Graphic Fuzz is pretty straightforward, you've got distortion, an envelope and a graphic EQ. It's basically 3 pedals in one. The switch allows you to use the pedal as a graphic EQ or just the fuzz. The envelope is basically like setting a wah in a specific position. The EQ is pretty neat, it doesn't have as much low end as the Microsynth but its still pretty cool. In the end it's a pretty gnarly dirt pedal. Just like older Electro-Harmonix pedals you can spend quite a bit of time getting lost in all the different settings and coming up with unique sounds.
Fuzzy Math! For the true tonal alchemist, the Graphic Fuzz is a unique distortion tool with 6-band EQ is sensitive to the dynamics of your playing. Sliders for Overdrive, Sustain, and Volume further its array of tones. Use the Graphic Fuzz solely as an EQ or switch on the distortion for total sound sculpting!