Epson PowerLite 685W 3500-Lumen WXGA Ultra-Short Throw 3LCD Projector - Manual (Page 196)

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Internal sound system 16 W monaural
Noise level PowerLite 675W
35 dB (Normal Power Consumption mode)
28 dB (ECO Power Consumption mode)
PowerLite 680/685W :
35 dB (Normal Power Consumption mode)
30 dB (ECO Power Consumption mode)
29 dB (ECO2 Power Consumption mode)
Keystone correction angle Vertical: ± 3°
Horizontal: ± 3°
USB Type B port compatibility One USB 2.0 compliant for USB display, external mouse, or
firmware update
USB Type A port compatibility One USB 1.1 and 2.0 compliant port for USB device input, wireless
LAN unit, or Epson document camera display
Parent topic: Technical Specifications
Projector Lamp Specifications
Type UHE (Ultra High Efficiency)
Power consumption PowerLite 675W :
215 W
PowerLite 680/685W :
250 W