[. . . ] When you unpack the projector, make sure that you have all these components. If any of the components are missing or incorrect, please contact the place of purchase. Indicates the possibility that people may be injured or the equipment may be damaged if these symbols are ignored. Indicates related topics and pages which contain more detailed information. [. . . ] If the lamp or lamp cover are not securely installed, the lamp will not switch on. Internal problem Stop using the projector, disconnect the power cable from the electrical outlet and contact your dealer or the nearest address provided in the "International Warranty Conditions" in the "Safety Instructions/World-Wide Warranty Terms" guide. High-speed cooling in progress (This is not abnormal, but, if the temperature rises too high again, projection will stop automatically. ) Set up the projector in a place which is well ventilated and ensure the air filter and ventilation outlet are clear. If problems with projection do occur, but the indicators do not show any abnormal conditions, please refer to the section below, "When the indicators provide no help". If a condition occurs which is not listed in this table, please consult your dealer or contact the nearest address provided in the "International Warranty Conditions" in the "Safety Instructions/World-Wide Warranty Terms" guide. If you follow the above steps and are still unable to correct the problem, please cease using the projector, unplug the projector from the electrical outlet and request repairs from your dealer or nearest address provided in the "International Warranty Conditions" in the "Safety Instructions/World-Wide Warranty Terms" guide. You cannot begin projecting again for at least a minute after projection has been stopped, even if you press the [Power] button on the control panel or remote control. When in use, is the remote control infrared transmitter facing the remote control infrared receiver on the projector?FThe power does not turn off (after the [Power] button is pressed) This projector is designed so that the Power indicator remains lit even after the power has been turned off. The Power indicator will switch off when the power cable is disconnected from the electrical outlet. FThe power will not turn on The power does not come on, even when you press the [Power] button on the control panel. Press and hold the [Power] button for at least 3 seconds to turn the power on. Be sure to read the separate "Safety Instructions/World-Wide Warranty Terms" before proceeding. You should clean the projector if it becomes dirty or if the projected image starts to deteriorate. If the air filter becomes clogged with dust, it can cause overheating and damage the projector. Keeping the projector horizontal, use a vacuum cleaner to clean away the dust from the air filter. If the air filter is difficult to clean or if it is broken, it should be replaced. If the projector is particularly dirty, moisten the cloth with water containing a small amount of (ph) neutral detergent, and then firmly wring the cloth dry before using it to wipe the projector case. After you have done this, wipe the projector another time with a soft, dry cloth. Do not use volatile substances such as wax, alcohol or thinner to clean the projector case. These can cause the case to warp and make the surface coating peel off. [. . . ] This projector is compatible with the Microsaver Security System manufactured by Kensington. the method of compressing 16:9 Widescreen images and recording them on video software as 4:3 images. When projecting with Squeeze mode on, the images will return to their original 16:9 format. A type of video signal with a resolution of 800 (horizontal) × 600 (vertical) dots which is used by IBM PC/AT-compatible computers. [. . . ]