Mackie HUI function keys in Logic Pro

The table outlines the function keys and their assignments.

Note: A modifier button, such as SHIFT, below a button description indicates that the button has an alternate use while the modifier is held down.

Control	Modifier	Assignment
F1		Clears Overload LEDs.
	SHIFT/ADD	Switches to Mixer view, and displays MIDI channel strips.
	CMD/ALT/FINE	Opens or closes Tracks window.
F2		Recalls screenset 2.
	SHIFT/ADD	Switches to Mixer view, and displays input channel strips.
	CMD/ALT/FINE	Opens or closes Mixer.
F3		Recalls screenset 3.
	SHIFT/ADD	Switches to Mixer view, and displays audio channel strips.
	SHIFT/ADD	Opens or closes Event List.
F4		Recalls screenset 4.
	SHIFT/ADD	Switches to Mixer view, and displays software instrument channel strips.
	CMD/ALT/FINE	Opens or closes Score Editor.
F5		Recalls screenset 5.
	SHIFT/ADD	Switches to Mixer view, and displays aux channel strips.
	CMD/ALT/FINE	Opens or closes Step Editor.
F6		Recalls screenset 6.
	SHIFT/ADD	Switches to Mixer view, and displays bus channel strips.
	CMD/ALT/FINE	Opens or closes Piano Roll Editor.
F7		Switches counter display format between SMPTE and bars/beats/divisions/ticks.
	SHIFT/ADD	Switches to Mixer view, and displays the master and output channel strips.
	CMD/ALT/FINE	Opens or closes Control bar window.
F8/ESC		Default: exits folder. Go to Marker mode: cancels dialog.
	CMD/ALT/FINE	Opens or closes the Project Audio Browser.

Util?

Control Surfaces Support Guide for Logic Pro X