Saved settings will then be added to the adjacent list. Once you have found the optimal settings for a particular OpenGL application, saving the settings as a custom tweak allows you to quickly configure OpenGL before starting the program and eliminates the need to set each of the options individually. Restore Defaults restores default settings. These controls adjust the video and DVD playback settings on your monitor in order to achieve optimal image quality. Brightness adjusts the level of brightness for video playback.
Contrast adjusts the level of video contrast for video playback.
Hue controls the hue or gradation of color for video playback. Saturation controls the saturation of color for video playback. Use busmastering mode for video should be checked if you have a busmastering TV tuner board and are experiencing difficulties with video playback. Video Mirror Controls. See section above entitled Video Mirror.