NEC VT440 Service Manual

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

NEC VT440 Service Manual Manual pdf 8 page image

E–4Lamp Replacement• To replace the lamp, follow all instructions provided on pageE-33.• Be sure to replace the lamp when the message "The lamphas reached the end of its usable life. Please replace thelamp."appears. If you continue to use the lamp after the lamphas reached the end of its usable life, the lamp bulb mayshatter, and pieces of glass may be scattered in the lampcase. Do not touch them as the pieces of glass may causeinjury. If this happens, contact your NEC dealer for lampreplacement.• Allow a minimum of 30 seconds to elapse after turning offthe projector. Then disconnect the power cable and allow 60minutes to cool the projector before replacing the lamp.Fire and Shock Precautions1. Ensure that there is sufficient ventilation and that vents areunobstructed to prevent the build-up of heat inside your pro-jector. Allow at least 3 inches (10 cm) of space betweenyour projector and a wall.2. Prevent foreign objects such as paper clips and bits of pa-per from falling into your projector. Do not attempt to re-trieve any objects that might fall into your projector. Do notinsert any metal objects such as a wire or screwdriver intoyour projector. If something should fall into your projector,disconnect it immediately and have the object removed by aqualified NEC service personnel.3. Do not place any liquids on top of your projector.• Do not look into the lens while the projector is on. Seriousdamage to your eyes could result.• Keep any items such as magnifying glass out of the lightpath of the projector. The light being projected from the lensis extensive, therefore any kind of abnormal objects thatcan redirect light coming out of the lens, can cause unpre-dictable outcome such as fire or injury to the eyes.• Do not cover the lens with the supplied lens cap or equiva-lent while the projector is on. Doing so can lead to melting ofthe cap and possibly burning your hands due to the heatemitted from the light output.