How does the sound color filter's illumination light?

It expresses the changes in the sound produced by the sound filter through colors and by flashing.

-When no filter is applied: The illumination is lit orange.

-When the LPF is applied: The illumination flashes red. The stronger the filter effect, the shorter the flashing cycle.

-When the HPF is applied: The illumination flashes green. The stronger the filter effect, the shorter the flashing cycle.