Epson 4855WU User Manual - Page 181
PowerLite 4750W/4770W/4855WU - powerlite manual
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Contrast ratio Image size Projection distance Projection methods Optical aspect ratio (width-to-height) Focus adjustment Zoom adjustment Zoom ratio (Tele-to-Wide) Internal sound system Noise level Keystone correction angle 5000:1 with Auto Iris on and Normal Power Consumption mode PowerLite 4650/4750W: 30 inches (0.76 m) to 300 inches (7.62 m) PowerLite 4770W/4855WU: 50 inches (1.27 m) to 300 inches (7.62 m) PowerLite 4650: 29 inches (0.74 m) to 626 inches (15.90 m) PowerLite 4750W: 31 inches (0.79 m) to 663 inches (16.85 m) PowerLite 4770W/4855WU: 53 inches (1.35 m) to 591 inches (15.01 m) Front, rear, ceiling-mounted PowerLite 4650: 4:3 PowerLite 4750W/4770W/4855WU: 16:10 Manual Manual PowerLite 4650/4750W: 1:2.0 PowerLite 4770W/4855WU: 1:1.8 10 W monaural 38 dB (Normal Power Consumption mode) 30 dB (ECO Power Consumption mode) Vertical: ± 30º (with standard lens) Horizontal: ± 30º (with standard lens) 181