The general field of the invention is that of the display devices comprising a rectangular display screen, said display device compatible with an aeronautical standard for mechanical interfacing with an instrument panel, said standard being defined by fixing positions and fixing means at said positions. The display device according to the invention comprises: two identical removable mechanical bars of a length equal to the length of the screen, each bar being arranged under one of the long sides of the screen, each bar comprising: first fixing means at said defined fixing positions, said first fixing means arranged so as to fix said bar on the instrument panel; two fixing holes, each fixing hole arranged at one of the ends of said bar, second fixing means making it possible to fix the display device in the four fixing holes of the two bars.