8Install the projector properly. Improper installation may reduce the lamp life and cause fire hazard.Choose the running speed of cooling fans in the fan control setting according to the altitude in which theprojector is being used (p.61). Failure to do so may affect the projector life.CAUTIONCAUTION ON CEILING MOUNTINGFor ceiling mounting, you need the ceiling mount kit designed for this projector. When not mounted properly,the projector may fall, causing hazards or injury. For details, consult your dealer. The warranty on this projectordoes not cover any damage caused by use of any non-recommended ceiling mount kit or installation of theceiling mount kit in an improper location.Do not roll the projector more than 10 degrees fromside to side.Do not put the projector on either side to project animage.4Note:• Fix the projector when installing it so that theprojector would not fall down.Do not roll the projector more than 5 degrees fromside to side when front or rear is downward.10˚10˚5˚5˚5˚5˚Installing the Projector in Proper PositionSafety InstructionsCautious use of equipment with laser technologyDo not radiate strong light such as laser light on the projection lens directly, as this may degrade thefunctionality of the projector, and will void any applicable warranties.