E-5CatchInterlockCatch2. Loosen the two screws securing the lamp housing untilthe screwdriver goes into a freewheeling condition. Thetwo screws are not removable.Remove the lamp housing by holding it.NOTE: There is an interlock on this case to prevent the risk ofelectrical shock. Do not attempt to circumvent this interlock.3. Insert a new lamp housing until the lamp housing isplugged into the socket.CAUTIONDo not use a lamp other than the NEC replacementlamp (VT60LP).Order this from your NEC dealer.Secure it in place with the two screws.Be sure to tighten the screws.4. Reattach the lamp cover.Tighten the lamp cover screw.Be sure to tighten the screw.5. After you install a new lamp, select the menu →[De-fault] →[Clear Lamp Hour Meter] to reset the lampusage hours.NOTE: When the lamp exceeds 2100 hours (up to 3100 hoursin Eco mode) of service, the projector cannot turn on and themenu is not displayed. If this happens, press the Help buttonon the remote control for a minimum of 10 seconds while instandby mode. When the lamp time clock is reset to zero, theLAMP indicator goes out.Cleaning or Replacing the FilterThe air-filter sponge keeps the inside of the projector fromdust or dirt and should be cleaned after every 100 hoursof operation (more often in dusty conditions). If the filter isdirty or clogged, your projector may overheat.CAUTION• Turn off the projector, turn off the main power switchand unplug the projector before replacing the filter.• Only clean the outside of the filter cover with avacuum cleaner.• Do not attempt to operate the projector without thefilter cover.To clean the air-filter:Vacuum the filter-through the filter cover.To reset the filter usage time, from the menu, select [De-fault] → [Clear Filter Usage].To replace the filter (sponge):1. Remove the filter cover by pushing up on the catch ofthe cover until you feel it detach.2. Gently peel off the filter(sponge) and replace itwith the new one.3. Reinstall the new filter cover.NOTE:Do not wash the filter with soap and water. Soap and water willdamage the filter membrane. Before replacing the filter, remove dust anddirt from the projector cabinet. Keep out dust and during filter replacement.NOTE: When you replace the lamp, it is also wise to replace the filter.The filter comes in the same package with your replacement lamp.