Epson PowerLite 4770W User Manual - Page 182
Projector Lamp Specifications, PowerLite 4650/4750W/4770W
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Lens shift range (approx.) PowerLite 4650: Vertical: ±58% (Manual) Horizontal: ±38% (Manual) PowerLite 4750W: Vertical: ±70% (Manual) Horizontal: ±38% (Manual) PowerLite 4770W/4855WU: Vertical: ±50% (Manual) Horizontal: ±10% (Manual) Parent topic: Technical Specifications Projector Lamp Specifications Type Power consumption Lamp life UHE (Ultra High Efficiency) PowerLite 4650/4750W/4770W: 280W PowerLite 4855WU: 260W Normal Power Consumption mode: Up to about 4000 hours ECO Power Consumption mode: Up to about 5000 hours Note: Turn off this product when not in use to prolong the life of the projector. Lamp life will vary depending upon mode selected, environmental conditions, and usage. Brightness decreases over time. Parent topic: Technical Specifications 182