Vol: Controls the master output volume.
Altitude Control: This is similar to gain. Turn it up to bring in a more wide open, distorted sound.
Verb: Blends in the amount of reverb.
Dark/Light Symbol: Dark cavernous reverberation to bright shimmering reverberation.
**When the Altitude and Verb controls are turned past 12 o'clock, the pedal can produce potentially harmful volumes, white noise, and other artifacts**
Dimensions: 4.86" x 3.67" x 2.06" (including hardware).
Weight: 14 oz.
Power: 9V (runs ons a positive ring, negative tip 9V DC adapter or included 9V battery).
Current Draw: 66 mA.