Wide XGA resolution makes it possible to project both HD video contents & wide aspect PC without any setting adjustment. PLC-WM5500 has an HDMI terminal which is the most popular terminal for video sources. Its higher light efficiency & superior cooling technology allows for the highest brightness in its class. The well-known AMF system detects air blockage or clogs, & then advances the filter reel to the next clean filter on the cartridge. Each cartridge carries 10 filter slides which dramatically lowers maintenance. This function makes it possible to project two different sources with one projector. Video conference, satellite lecture type of application should be suitable with using this function. The amazing PLC-WM5500 fills the needs of a host of demanding business venues including meeting, entertainment & promotional applications with a Mechanical Shutter System.