A transparent pixel matrix, a screening layer, and a control circuit are included in a display apparatus. The control circuit displays a graphic object on the pixel matrix. The screening layer includes individually switchable segments arranged behind the pixel matrix and the segments are switchable with respect to their transparency between a minimum value and a maximum value. The control circuit selects the graphic object based on an input by the user. The control circuit signals the graphic object is selected by operating a first segment among the segments arranged behind the selected graphic object as a selection segment, with the minimum value of transparency or with the maximum value of transparency, and by operating a second segment among the segments as a background segment in a complementary fashion with respect to the selection segment, with the maximum value of transparency or the minimum value of transparency.