You can scroll Mixer rack with the sliders on the left and right.
(You can not scroll on the Mixer rack to prevent interference with the knob operation.)
Change the device order in Mixer rack. Buttons will not appear when number of child device is 1.
Silent all the devices which SOLO is turned off.
Mute sound for the selected device even if SOLO is on.
Adjust the time difference for the parent device.
Lights when transferring data from the parent device to the child device.
Light blue letters behave as button.