Epson PowerLite 1830 User Manual page 161

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
PowerLite 1915/1925W:
Normal Power Consumption mode:
White light output 4000 lumens (ISO 21118 standard)
Color light output 4000 lumens
ECO Power Consumption mode:
White light output 2700 lumens (ISO 21118 standard)
Color light output 2700 lumens
2000:1 with Auto Iris On and Normal Power Consumption mode
30 to 300 inches (0.8 to 7.6 m)
PowerLite 1830/1915:
3.0 to 50.6 feet (0.91 to 15.42 m)
PowerLite 1925W:
3.1 to 53.2 feet (0.96 to 16.24 m)
Front, rear, ceiling-mounted
PowerLite 1830/1915:
4:3
PowerLite 1925W:
16:10
PowerLite 1830:
Manual
PowerLite 1915/1925W:
Powered
Manual
1:1.6
10 W monaural
37 dB (Normal Power Consumption mode)
29 dB (ECO Power Consumption mode)
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