Projector Lamp Specifications - Epson PowerLite Home Cinema 640 User Manual

Optical aspect ratio
(width-to-height)
Focus adjustment
Zoom adjustment
Zoom ratio
(Tele-to-Wide)
Internal sound system
Noise level
Keystone correction angle
USB Type B port compatibility
USB Type A port compatibility One USB 1.1 and 2.0 compliant port for USB device or Epson
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Projector Lamp Specifications

Type
Power consumption
PowerLite Home Cinema 640:
4:3
PowerLite Home Cinema 740HD/1040:
16:10
Manual
PowerLite Home Cinema 640:
No optical zoom
PowerLite Home Cinema 740HD/1040:
Manual optical zoom
PowerLite Home Cinema 640:
1.0 to 1.35 (digital)
PowerLite Home Cinema 740HD/1040:
1.0 to 1.2
1 W monaural
37 dB (Normal Power Consumption mode)
29 dB (ECO Power Consumption mode)
12º (Auto Keystone)
USB 1.1 and 2.0 compliant for USB display, external mouse or
keyboard control, or firmware update
document camera input, wireless LAN, or firmware update
Technical Specifications
UHE (Ultra High Efficiency)
200 W
175