29SETTING UP THE PROJECTORDetermining the Installation PositionPlacing in Front of the ScreenPlace the projector perpendicular to the screenas far as possible.Placing on a Level PlacePlace the projector on a level place as far as pos-sible.z A slight error in the projection angle can becorrected using the [KEYSTONE] button(P47).z A slight tilt can be corrected using the rearadjustable foot. (P38)z Make sure that the installation position isfree from any obstacle that may block theexhaust vent (fan) on the right side of theprojector and the air intake vent on the bot-tom of the projector.z The screen must not be exposed to directsunlight or light from lighting equipment. In abright room, it is recommended to limitambient lighting in order to improve theimage quality.ScreenOptical axisCeiling Mounting or Rear ProjectionYou can mount the projector on the ceiling (Ceiling mounted) with it turned up sidedown or place it behind the screen (Rear) if you use a translucent screen.If you mount the projector on the ceiling, you have to invert the projected image (P85).Ceiling Mounting Rear Projection
