Hoosier School Libraries

Hoosier School Libraries

4.11 - 1251 ratings - Source

Some will not focus uniformly regardless of how much the head assembly is adjusted. ... When this problem is encountered, the only real solution is replacement of the lens. ... In most projectors, electrical systems are wired through a thermostat which is designed to assure that the fan is operating when a certain temperatureanbsp;...

Title:Hoosier School Libraries
Publisher: - 1973


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