E – 48Cleaning or Replacing the FiltersThe air-filter sponge keeps the inside of the MultiSync MT1055/MT1050/MT850 Projector free from dust or dirt and should be cleaned afterevery 100 hours of operation (more often in dusty conditions). If thefilter is dirty or clogged, your projector may overheat.CAUTION• Turn off the power and unplug the projector before replacing the filter.• Only clean the outside of the filter cover with a vacuum cleaner.• Do not attempt to operate the projector without a filter cover.• Your projector will not operate unless the filter cover is installed cor-rectly.To clean the air-filter:Vacuum the filter-through the filter cover.MENUENTERCANCELSELECTPOWERSTATUSON/OFFSOURCEAUTO ADJUSTUSBAC INTo replace the air-filter:1. Remove the filter cover by pushing up on the catch of the coveruntil you feel it detach.MENUELLECTSOURCEAUTO ADJUSTUSBAC IN122. Reinstall the new filter cover.NOTE: Do not detach the sponge from the filter cover. Do not wash the filtercover with soap and water. Soap and water will damage the the filter mem-brane. Before replacing the filter cover, remove dust and dirt from the pro-jector cabinet. Keep out dust and during filter replacement.AC IN12
