1546. Installation and ConnectionsPortrait projection (vertical orientation)This projector can be installed vertically to display computer images inportrait orientation.Precautions during installation• Please do not install the projector in a vertical orientation on top of the floor or table on its own. If not, the pro-jector may fall over, resulting in injury, damage or malfunction.• A stand for supporting the projector needs to be made for this purpose to keep intake air flow securely andpreventive measure of falling over. The stand must be designed such that the center of gravity of the projectoris located well within the legs of the stand. If not, the projector may fall over and result in injury, damage andmalfunction.• If the projector is installed on which the intake vent facing down, optical part life may be shorten.