AV Technology - February/March 2009 - (Page 45) Reliability and serviceability are other important factors in display selection. In critical command/control environments, displays can’t be down. That’s made three-chip DLP projectors popular. “LCDs can burn out and single-chip DLPs are not as reliable,” says Pratt. “Three-chip DLP projectors are more expensive, but if you’re running it 24/7/365, it’ll deliver 8,000 continuous hours.” In applications where such projectors aren’t feasible, Pratt adds, it’s vital to have an inventory of backup displays or cubes that can be readily activated, as well as a display wall configuration that’s easily accessible. While command/control centers have to guard against failing displays, power outages pose a more menacing problem. Designs must factor in backup power, control of equipment-generated heat with adequate cooling systems, and UPS http://www.relampit.com http://www.relampit.com
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