32This section describes the simple maintenance procedures you should followto replace the lamp, clean or replace the filter, and replace the batteries in theremote control.Replacing The LampAfter your lamp has been operating for 2000 hours or longer, the“status” light in the cabinet will go on. Even though the lamp may stillbe working, replace it at 2000 hours to maintain optimal projectorperformance.CAUTION• DO NOT TOUCH THE LAMP immediately after it has been used. It willbe extremely hot. Allow at least one hour for the lamp to cool beforehandling.• DO NOT REMOVE ANY SCREWS except the lamp cover set screwand two lamp case screws. You could receive an electric shock.• Turn off the main power to the projector and disconnect the power cord.Allow at least one hour for the lamp to cool.• The projector will turn off and go into stand by mode after 2100 hours ofservice. If this happens, be sure to replace the lamp. If you continue touse the lamp after 2000 hours of use, the lamp bulb may shatter, andpieces of glass may be scattered in the lamp case. Do not touch them asthe pieces of glass may cause injury. If this happens, contact your NECdealer for lamp replacement.M A I N T E N A N C E4To replace the lamp:1. Remove the single screw that secures the lamp housing cover and removethe cover.2. Remove the two screws securing the lamp case. (There is an interlock onthis case to prevent the risk of electrical shock. Do not attempt to circum-vent this interlock.)3. Remove the lamp by pulling out the complete assembly.4. Install a new lamp case assembly and secure it in place with the two screws.CAUTION: Do not use a lamp other than the NEC replacement lamp.Order this from your NEC dealer using your projector's model number.5. Reattach the lamp cover and reinstall the single screw.6. After you install a new lamp, select the lamp Usage icon and press and holdthe "Power On" button on the remote control for ten seconds to reset thelamp time clock to zero.NOTE: If resetting the lamp clock back to zero after 2100 hours of service, pressthe "Power Off" (not "Power On") button on the remote control for ten seconds .NOTE: When you replace the lamp, it is also wise to replace the filter. The filtercomes in the same package with your replacement lamp.CAUTION: Do not put the LCD projector on end except to replace the airfilter.