NEC VT440 Service Manual

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

NEC VT440 Service Manual Manual pdf 38 page image

E–34MENUCANCELSELECTSOURCEAUTO ADJUSTRGBINPUTOUTPUTAUDINOUTPC-CONTROL S-VIDEO VIDCleaning or Replacing the FiltersThe air-filter sponge keeps the inside of the MultiSync VT440/VT540Projector free from dust or dirt and should be cleaned after every 100hours of operation (more often in dusty conditions). If the filter isdirty or clogged, your projector may overheat.CAUTION• Turn off the power and unplug the projector before re-placing the filter.• Only clean the outside of the filter cover with a vacuumcleaner.• Do not attempt to operate the projector without a filtercover.• Your projector will not operate unless the filter cover isinstalled correctly.To clean the air-filter:Vacuum the filter-through the filter cover.MENUENTERCANCELSELECTPOWERSTATUSON/OFFSOURCEAUTO ADJUSTRGBINPUTOUTPUTAUDINOUTPC-CONTROL S-VIDEO VID1122MENUCANCELSELECTSOURCEAUTO ADJUSTRGBINPUTOUTPUTAUDINOUTPC-CONTROL S-VIDEO VID1221To replace the air-filter:1. Remove the filter cover by pushing up on the catch of the coveruntil you feel it detach.2. Reinstall the new filter cover.NOTE: Do not detach the sponge from the filter cover. Do not washthe filter cover with soap and water. Soap and water will damage thethe filter membrane. Before replacing the filter cover, remove dustand dirt from the projector cabinet. Keep out dust and during filterreplacement.MnO2-LiCELL3VOLTSJAPANHCR2025MnO2-LiCELL3VOLTSJAPANHCR2025MnO2-LiCELL3VOLTSJAPANHCR2025Remote Control Battery Installation[Wireless Card Remote Control]1. Press firmly and slide the battery cover off.2. Remove the old Lithium coin cell and install new one (CR2025).Ensure that the side with a “+” is facing up.3. Put the cover back.