Epson PowerLite 1715c - Manual (Page 177)

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Technical Specifications
General
Type of display Epson poly-silicon TFT active matrix
Resolution
(native format)
1024 × 768 pixels (XGA)
Color reproduction 16.8 million colors
Brightness
1705c 2200 lumens (High Brightness mode)
1700 lumens (Low Brightness mode)
1715c 2700 lumens (High Brightness mode)
2100 lumens (Low Brightness mode)
Contrast ratio 400:1
Image size 30 to 300 inches
Projection distance 3.2 to 39.7 feet (1.0 to 12.1 meters)
Projection methods Front, rear, upside-down (ceiling mount)
Internal sound system 1 W monaural
Optical aspect ratio 4:3 (horizontal:vertical)
Zoom ratio 1:1.2
Noise level 35 dB in Low Brightness mode, 40 dB in
High Brightness mode
Keystone correction Automatic (manual adjustment capability
± 30° vertical keystone correction)
Mouse compatibility Supports USB (type B)