12 - ENGLISHImportantInformationPrecautions for UseCautions when transportingWhen transporting the projector, hold it securely by its bottom and avoid excessive vibration and impacts.zDoing so may damage the internal parts and result in malfunctions.Do not transport the projector with the adjustable feet extended. Doing so may damage the adjustable feet.zCautions when installingDo not set up the projector outdoors.JThe projector is designed for indoor use only.Do not use under the following conditions.JPlaces where vibration and impacts occur such as in a car or vehicle: Doing so may damage the internalzparts and result in malfunctions.Near the exhaust of an air conditioner: Depending on the conditions of use, the screen may fluctuate in rarezcases due to the hot air from the air exhaust port or the heated or cooled air. Make sure that the exhaustfrom the projector or other equipment, or the air from the air conditioner does not blow toward the front ofthe projector.Near lights (studio lamps, etc.) and other locations of great temperature fluctuation (“Operatingzenvironment” (Æ page 58)): Doing so may shorten the life of the lamp or result in deformation of the outercase and malfunctions.Near high-voltage power lines or near motors: Doing so may interfere with the operation of the projector.zPlace where there is high-power laser equipment: Directing a laser beam onto the lens surface causeszdamage to the DLP chips.Be sure to ask a specialized technician when installing the product to aJceiling.This requires an optional ceiling mount bracket.Model No.: ET-PKV100H (for high ceilings), ET-PKV100S (for low ceilings),ET- PKL300B (Projector Mount Bracket)Lens focusJThe high clarity projection lens is thermally affected by the light from the light source, making the focusunstable in the period just after switching on the power. Wait at least 30 minutes with the image projectedbefore adjusting the lens focus.When using the projector at elevations below approx. 1 000 m (3 300 ft),Jmake sure [High altitude] is set to [Off].Failure to do so may shorten the life of the internal parts and result in malfunctions.When using the projector at elevations approx. 1 000 m (3 300 ft) andJapprox. 3 000 m (10 000 ft), make sure [High altitude] is set to [On].Failure to do so may shorten the life of the internal parts and result in malfunctions.Do not install the projector at elevations approx. 3 000 m (10 000 ft) orJhigher above sea level.Failure to do so may shorten the life of the internal parts and result in malfunctions.Confirm and set the using environment temperature [“OperatingJenvironment” (Æ page 58)].