Dell 7609WU User's Guide - Page 52
The lamp life specified for Dell's projectors refers to - projector specifications
UPC - 884116009658
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Lamp DC jack 12 volt@200mA output, relay control for automatic projection screen control DC jack 5 [email protected] output, for powering external devices 264~300-watt user-replaceable lamp, up to 2000 hours (up to 2500 hours in eco mode) NOTE: The actual operating life span of a projector lamp will vary according to operating conditions and usage patterns. Usage of a projector in stressful conditions which may include dusty environments, under high temperatures and abrupt powering-off may result in a lamp's shortened operating life span or possibly lamp failure. The lamp life specified for Dell's projectors refers to the typical time under non-stressful operating conditions for more than 50% of a sampling population to reduce to approximately 50% of the lamp's rated brightness level. It is not the measure of time a lamp will cease light output. Specifications 52