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Once the projector is online, you have the option of displaying images directly from a network FTP server, though the images first need to be converted using the included Network Viewer software. The software turns your PowerPoint slide show, for example, into a series of images with neither sound effects nor transitions, which can make for a dull slide show. It can't stream video or work with live applications on the network, but it's a great way to centralize a show or lower the anxiety caused by presenters who forget to bring files or equipment.
The Canon LV-7565 is one of the brightest projectors in its midsize class, putting out 4,428 lumens of light--slightly short of its 5,100-lumen spec, but still very bright. In low-power mode, with much-reduced fan noise, it was still very bright, projecting 3,601 lumens. With decent performance overall, the projector's focus was exceptional, and its uniformity was 89 percent--a tad better than the Sanyo's, though we noticed a pink line at the bottom of the LV-7565's image. Its contrast ratio of 307:1 makes text easy on the eyes. It was able to show 247 shades of gray, but most had a blue tint, which shouldn't be visible in grayscale; color performance was fairly accurate, though reds appeared slightly orange.
In our tests, the Canon LV-7565 started up in a quick 39 seconds but took 1 minute and 31 seconds to cool down with the fan blowing at full speed. When on, the projector pumps out more than 1,500 watts of heat--about the equivalent of a small space heater--and its fan runs very loudly. It will require some maintenance: a pair of air filters must be cleaned periodically, and the lamp needs to be replaced every 2,000 hours. New lamps cost $450.
Canon backs the LV-7565 with a three-year warranty; the lamp is guaranteed for an industry-standard 90 days. The company's Web site has product spec sheets, an image-throw calculator, and a list of repair facilities in addition to FAQs. Canon's toll-free help desk is staffed from 8 a.m. to 12 a.m. ET on weekdays and 10 a.m. to 8 p.m. ET on Saturdays; the company promises to respond to e-mail in one day.
