Epson PowerLite 1781W 3200-Lumen WXGA 3LCD Projector - Manual (Page 171)

171
Optical aspect ratio
(width-to-height)
PowerLite 1780W/1781W/1785W :
16:10
PowerLite 1795F :
16:9
Focus adjustment PowerLite 1780W :
Manual
PowerLite 1781W/1785W/1795F :
Powered
Zoom adjustment Manual
Zoom ratio
(Tele-to-Wide)
1:1.2
Internal sound system 1 W monaural
Noise level 39 dB (Normal Power Consumption mode)
30 dB (ECO Power Consumption mode)
Keystone correction angle Vertical: ± 45°
Horizontal: ± 30°
USB Type B port compatibility USB 1.1 and 2.0 compliant for USB display, external mouse or
keyboard, or firmware update
USB Type A port compatibility One USB 1.1 and 2.0 compliant port for USB device input, Epson
document camera display, wireless LAN module, or firmware update
Parent topic: Technical Specifications
Projector Lamp Specifications
Type UHE (Ultra High Efficiency)
Power consumption PowerLite 1780W :
206 W
PowerLite 1781W/1785W/1795F :
214 W