<p>The device (10) has a projection module (11) generating an image for projection in a normal direction (15) of looking of a user of the device along an optical path (12). A reflection element (13) is subjected to rotary movement about a fixed axis of rotation of the reflection element when the reflection element is moved between a rest position and a display position. The reflection element in the display position is provided in the normal direction of looking of the user. A cover covers the reflection element when the reflection element is positioned in the rest position.</p>
