M77 MODIFIED OVERDRIVE DESCRIPTION • Classic overdrive circuit hotrodded for added versatility • Adds sustain and gain without coloring your guitar’s tone • 100HZ knob allows a more focused EQ when cut or a beefier tone when boosted • BUMP switch engages an alternate EQ voicing that boosts lows and mids • True bypass CONTROLS TONE knob shapes overall EQ 100HZ knob cuts/ boosts at 100 Hz BUMP switch boosts lows and mids (indicated by blue LED) OUTPUT knob controls overall effect volume GAIN knob controls the