The current function is identified by the corresponding led of the button on the MIDI controller. Depending on the selected function, the knobs allow you to modify the gain or pan of the channels of the strip to which they belong, or the gate, equalizer, compressor or low-cut parameters of the selected channel. The number of layers depends on the number of buses in the digital mixer model:
It is also shown in the right side of the Timecode Display, if we use a MIDI controller that is able to emulate Mackie Control and that has that display.
The current layer is identified by the led of the corresponding button on the MIDI controller. Layered working mode for faders: The faders adjust the channel level to the main bus, send level to a monitor or effect bus, or DCA group level, depending on the currently selected layer.