Abstract: The invention provides a control system for controlling a plurality of computer devices, the computer devices each having at least a processing unit, the control system comprising a pointer device, a tracking system connected to a processing unit of each of the plurality of computer devices, the tracking system comprising at least a tracking unit arranged to determine an actual position and/or orientation of the pointer device, wherein the tracking system is arranged to determine a parameter set representative of at least one of position and orientation of the pointer device and to select one of a plurality of computer devices depending on said parameter set and to send a control signal from the tracking system to a processing unit of the selected computer device wherein the control signal is based on said parameter set.