NEC MultiSync VT440 User Manual

Also see for MultiSync VT440: Installation data Specifications Service manual User manual

NEC MultiSync VT440 User Manual Manual pdf 4 page image

E–3Important SafeguardsThese safety instructions are to ensure the long life ofyour projector and to prevent fire and shock. Please readthem carefully and heed all warnings.Installation1. For best results, use your projector in a darkened room.2. Place the projector on a flat, level surface in a dry area awayfrom dust and moisture.3. Do not place your projector in direct sunlight, near heatersor heat radiating appliances.4. Exposure to direct sunlight, smoke or steam can harm in-ternal components.5. Handle your projector carefully. Dropping or jarring can dam-age internal components.6. Do not place heavy objects on top of the projector.7. If you wish to have the projector installed on the ceiling:a. Do not attempt to install the projector yourself.b. The projector must be installed by qualified techniciansin order to ensure proper operation and reduce the riskof bodily injury.c. In addition, the ceiling must be strong enough to supportthe projector and the installation must be in accordancewith any local building codes.d. Please consult your dealer for more information.Power Supply1. The projector is designed to operate on a power supply of100-120 or 200-240 V 50/60 Hz AC. Ensure that your powersupply fits this requirement before attempting to use yourprojector.2. Handle the power cable carefully and avoid excessive bend-ing. A damaged cord can cause electric shock or fire.3. If the projector is not to be used for an extended period oftime, disconnect the plug from the power outlet.Cleaning1. Unplug the projector before cleaning.2. Clean the cabinet periodically with a damp cloth. If heavilysoiled, use a mild detergent. Never use strong detergentsor solvents such as alcohol or thinner.3. Use a blower or lens paper to clean the lens, and be carefulnot to scratch or mar the lens.CAUTIONDo not unplug the power cable from the wall outlet under anyone of the following circumstances. Doing so can cause damageto the projector:* While the Hour Glass icon appears.* While the message "Please wait a little." appears. This mes-sage will be displayed after the projector is turned off.* Immediately after the power cable is plugged into the walloutlet (the POWER indicator has not changed to a steady amberglow).* Immediately after the cooling fan stops working (The coolingfan continues to work for 30 seconds after the projector isturned off with the POWER button).* While the POWER and the STATUS indicators are alternatelyflashing.CAUTIONDo not put the projector on its side when the lamp is turned on.Doing so may cause damage to the projector.CAUTIONAvoid displaying stationary images for a prolonged period oftime.Doing so can result in these images being temporarily sustainedon the surface of the LCD panel.If this should happen, continue to use your projector. The staticbackground from previous images will disappear.