A method for regenerating a diesel particle filter of an exhaust system in which an exhaust gas flow from a diesel engine is fed through the diesel particle filter. In an exemplary embodiment of the invention, the data streams include real-time audio and video data being communicated between attendees of a virtual meeting. In the second position, the foldable lens is moved to outwardly extend from the sight housing, such that the sight reticle generated by the reflex sight is projected on the foldable lens in the second position.