Optoma HT31 Manual page 33

IMAGE
Display Mode
There are many factory presets optimized for various types of images.
Cinema: For home theater.
Reference: This mode is intended to reproduce, as close as possible,
the image the way the movie director intended. Color, color temperature,
brightness, contrast and gamma settings are all configured to standard
reference levels.
Vivid: Optimized to produce strikingly bright colorful images.
Bright: Maximum brightness from PC input.
Game: For game content.
3D: Recommended setting for 3D mode enabled. Any further
adjustments by the user in 3D will be saved in this mode for further use.
User: User's settings.
ISF Day: Optimize the image with the ISF Day mode to be perfectly
calibrated and high picture quality.
ISF Night: Optimize the image with the ISF Night mode to be perfectly
calibrated and high picture quality.
Brightness
Brighten or darken the image.
Contrast
Set the difference between light and dark areas.
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