||If controllers have to be detected or the PC-application is not started, this led is lighted up.
||Game mode 1: each button state-change is sent to the ADOBOX.
||Game mode 2: first button press is sent to the ADOBOX. The second press on the same controller will not be notified anymore.
||Game mode 3: the first 4 fastest players will be registered and sent to the ADOBOX.