20 Faders with illuminated assignment keys, a 2 x 40-character alphanumeric display, bump buttons, and function keys. The fader accepts assignments of memories and groups of channels, spots, and scrollers. The bump buttons works in Latch, Solo, and Inverted Solo modes. The alphanumeric display has 2 display modes: assignment type or text. The faders can also work as inhibit submasters.