Use the projector properly in specified positions. Improper positioning may reduce the lamp life and result insevere accident or fire hazard.This projector can project the picture upward, downward, or backward, perpendicular to the plane of the screen asshown in the figure below.BottomDownward(Usual)FrontDownwardBottomUpwardFrontUpwardInstalling the Projector in Proper DirectionsAvoid positioning the projector as described below when installing.Positioning PrecautionsDo not tilt the projector more than 10 degrees from side to side.Do not put the projector on either side to project an image.10˚10˚10˚ 10˚10˚ 10˚In upward projection, do not tilt the projector over 10 degrees right and left.In downward projection, do not tilt the projector over 10 degrees right and left.Fan Control"Max"Fan Control"Normal"0º180º0º180º-50ºNGGOOD+50º40º50º50º40ºBe sure to set the Fan control in MAX in the setting menu when the projector is inclinedbetween +40 degrees to +140 degrees to the horizontal plane (p.52).Safety Instructions