The color of the rind-LED’s indicate the bypass state of the different sections within the pre amplifier: mute, fx-loop and tone control.
Red: section bypassed
Green: section active
A blinking mute LED indicates the state of the user-selectable sound signature, a.k.a. mojo. By pressing the blinking mute button, the LED will toggle red / green, indicating the current state. Pressing the EQ button will save and exit the mojo selection state.
Red: sound signature disabled
Green: sound signature enabled
During startup, the LED’s gradually fade to bright orange to indicate warmup. After warmup, the LED’s will show the usual red / green.