Precautions for use12 - ENGLISHImportantInformationPrecautions for use■ Be sure to use the projector after removing the packaging material, such asthe fastening tapes and protective sheet.Take proper care when disposing of the removed packaging material.Cautions when transportingz When transporting the projector, be sure to attach the supplied lens cover to the projection lens.z When transporting the projector, hold it securely by its bottom and avoid excessive vibration and impacts.Doing so may damage the internal parts and result in malfunctions.z Do not transport the projector with the adjustable feet extended. Doing so may damage the adjustable feet.Cautions when installing■ Do not set up the projector outdoors.The projector is designed for indoor use only.■ Do not use under the following conditions.▶z Places where vibration and impacts occur such as in a car or vehicle: Doing so may damage the internalparts and result in malfunctions.▶z Near the exhaust of an air conditioner: Depending on the conditions of use, the screen may fluctuate dueto the hot air from the air exhaust port or the heated or cooled air from the air conditioner. Take care so thatthe exhaust from the projector or other equipment, or the air from the air conditioner does not blow towardthe front of the projector.▶z Near lights (studio lamps, etc.) where temperature changes greatly (“Operating environment” ( page 117)):Doing so may shorten the life of the lamp or result in deformation of the outer case and malfunctions.▶z Near high-voltage power lines or near motors: Doing so may interfere with the operation of the projector.■ Be sure to ask a specialized technician when installing the product to a ceiling.If the product is to be installed hanging from the ceiling, purchase an optional Ceiling Mount Attachment.Model No.: ET-PKA110H (for high ceilings), ET-PKA110S (for low ceilings)■ Lens focusThe 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.■ Make sure to set [HIGH ALTITUDE MODE] to [ON] when using the projectorat elevations of 1 400 m (4 593 ft) or higher and lower than 2 700 m (8 858 ft)above sea level.Failure to do so may shorten the life of the internal parts and result in malfunctions.■ Make sure to set [HIGH ALTITUDE MODE] to [OFF] when using the projectorat elevations lower than 1 400 m (4 593 ft) above sea level.Failure to do so may shorten the life of the internal parts and result in malfunctions.■ Do not install the projector at elevations of 2 700 m (8 858 ft) or higher abovesea level.Failure to do so may shorten the life of the internal parts and result in malfunctions.