Look across the sliding levers at the bottom of the mixing board. These control the overall volume of each audio channel. An audio channel represents one instrument or audio connection (such as a microphone, keyboard or guitar). Slide the lever up to increase the audio for the specific channel or slide the lever down to reduce the audio.

Push the "Mute" button along side the sliding lever if you want to instantly mute the audio channel. A light appears next to the "Mute" option, signaling the mute feature is enabled.

Inspect the knob directly above the volume lever. This is the "Pan" feature. Pan moves the audio signal from either the left speaker, right speaker, or both (when the pan is on the "Zero" reading)

Increase and decrease the bass and treble with the audio knobs above the pan. The bass increases the depth tones of the audio channel while the treble increases the higher frequencies.

Look on the right side of the sound mixing board. There are two audio sliding levers by themselves. These are the overall audio levels for the entire sound board. Pushing the level up or down on the right side increases or reduces the volume for the right speakers while the left lever controls the left side.

Plug a pair of headphones into the headphone jack of the sound mixing board. Here it is possible to hear the audio playing through the sound mixing board. Watch the colored audio peak diagrams next to each audio channel. You want the channels to stay "Green." Once the audio channels peak and reach red the audio becomes distorted. Slide the audio lever down slightly for the particular audio channel to reduce the audio back into the green.

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