www.tunnelvisionmusic.com - The Jonny Octave is an octave-up pedal designed to raise the apparent pitch of single notes on your guitar by one or two octaves. The controls are, from left to right, Octave 2 Volume and Octave 1 Volume. The two switches are, from left to right, Octave 1/Octave 2 selector switch and True Bypass switch. There are also trim pots on the inside for gain stage control which are explained in detail later in this manual.