A method and a device for calibration (or “electronic” adjustment) of a display unit are provided and include a display and autostereoscopic adapter disc, particularly provided for fixing to the display. A method and a device for generation or playback of 3D images by the display unit including autostereoscopic adapter disc and display are also provided. Misalignment of the adapted disc with the display are compensated for by corresponding adjustment of the image display on the display.