[. . . ] Make sure all devices are turned off and all volumes are at "zero". [. . . ] Make sure all devices are turned off and all volumes are at "zero". Switch everything on in the following order: · Last, any amplifiers When turning off, always reverse this operation by: · AUX B: Controls level routed to internal effects processor or ­ if a device is patched into the Aux B returns ­ routes channel signal to an external device like an effects processor. The Bal control (stereo input channels) shifts the balance between the left and right inputs. While you are playing content from your iPod, the LED directly above this button will be illuminated. While your iPod is recording, the LED directly above this button will be illuminated. [. . . ] While you are playing content from your iPod, the LED directly above this button will be illuminated. [. . . ]