A video processor and method for swiftly detecting swaps occurring between links during transmission of images by the dual-link system. The projector projects a graphic image according to the type of display content. To achieve this, the fixing elements ensure a fixed and sealed connection between the external conductor of the coaxial cable and the housing of the cable plug. If the server determines that the user under which the application is running has permission to create local queues, the local queue is created. Then, a semiconductor light emitting structure is epitaxially formed on the surface of the substrate. When the wiring device is a receptacle, the surface along the receptacle face is flat in one plane to allow for proper seating of an inserted plug.