[. . . ] Remplacez toujours la pile par une pile du même type ou de type équivalent recommandé par le fabricant. [. . . ] Auto : Scales an image proportionally to fit the projectors native resolution in its horizontal width and vertical height. Utilisez le contraste pour configurer le niveau de blanc après avoir ajusté la Luminosité, afin d’adapter l’image au type de support que vous souhaitez afficher et à votre environnement. One of the common methods of representing white color is known as the color temperature. Selects a baud rate that is identical with your computers so that you can connect the projector using a suitable RS-232 cable and update or download the projectors firmware. [. . . ] Important: The above warranty shall be void if the customer fails to operate the product in accordance with BenQ's written instructions, especially the ambient humidity must be inbetween 10% and 85%, temperature in-between 5C and 28C, altitude lower than 4920 feet, and avoiding to operate the projector in a dusty environment. [. . . ]