A method for producing a semiconductor device having a sidewall insulation includes providing a semiconductor body having a first side and a second side lying opposite the first side. As an operation mode of a display device, a cleaning corresponding mode which disenables an operation corresponding to cleaning of a screen and using the input device on an object to be displayed on the screen is started. In accordance with yet another embodiment of the present invention, a method of positioning a fastener with a mounting tab is provided. The first signal output and the second signal output are combined to yield a combined signal output.