Epson PowerLite Home Cinema 740HD User Manual - Page 175
Projector Lamp Specifications, USB Type A port compatibility
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Optical aspect ratio PowerLite Home Cinema 640: (width-to-height) 4:3 PowerLite Home Cinema 740HD/1040: 16:10 Focus adjustment Manual Zoom adjustment PowerLite Home Cinema 640: No optical zoom PowerLite Home Cinema 740HD/1040: Manual optical zoom Zoom ratio PowerLite Home Cinema 640: (Tele-to-Wide) 1.0 to 1.35 (digital) PowerLite Home Cinema 740HD/1040: 1.0 to 1.2 Internal sound system 1 W monaural Noise level 37 dB (Normal Power Consumption mode) 29 dB (ECO Power Consumption mode) Keystone correction angle 12º (Auto Keystone) USB Type B port compatibility USB 1.1 and 2.0 compliant for USB display, external mouse or keyboard control, or firmware update USB Type A port compatibility One USB 1.1 and 2.0 compliant port for USB device or Epson document camera input, wireless LAN, or firmware update Parent topic: Technical Specifications Projector Lamp Specifications Type Power consumption UHE (Ultra High Efficiency) 200 W 175