Abstract: An apparatus including: a host computing unit for operating the apparatus with operation functions, a control computing unit for operating the apparatus with critical control functions, a touchscreen system, comprising including; a touchscreen configured for receiving touch inputs to the touchscreen; a touchscreen controller communicatively coupled with the host computing unit and control computing unit and configured to detect a location of the touch inputs to the touchscreen; a display for presenting control widget relating to critical control functions in a critical control zone and graphical indicia relating to operation functions in a visualization zone, a mixer module communicatively coupled with the control computing unit and the host computing unit for mixing data flow coming from the control computing unit and the host computing unit with priority to the critical control module, the mixer module providing data flow coming from the control computing unit to the control zone of the display and pr