Whilst holding the cross fader, using the T8 torx driver, remove the 2 screws either side of the crossfader unit from the front panel. Unplug the 4way harness from the crossfader PCB. The original fitted fader (green PCB) will be fitted as below: To fit the Innofader (red fader), unscrew the original (green PCB) fader from the mounting plate using the T8 torx driver, remove the screws from either side of the fader. Reverse the mounting plate, ensure the fader and mounting plate are in the correct way.