29EnglishColorDisplay Mode There are many factory presets optimized for various types ofimages.• Bright: For brightness optimization.• Presentation: For meeting presentation with higherbrightness.• Standard: For common environment.• Video: For playing video in a bright environment.• Education: For education environment.• User: Memorize user’s settings.Wall color Use this function to choose a proper color according to the wall.There are several choices, including white, light yellow, light blue,pink, dark green. It will compensate the color deviation due to thewall color to show the correct image tone.Brightness Adjust the brightness of the image.• Press to darken image.• Press to lighten the image.Contrast "Contrast" controls the difference between the lightest anddarkest parts of the picture. Adjusting the contrast changes theamount of black and white in the image.• Press to decrease the contrast.• Press to increase the contrast.ColorTemperatureAdjust the color temperature. At higher color temperatures, thescreen looks colder; at lower color temperatures, the screen lookswarmer.Degamma Effects the representation of dark scenery. With greater gammavalue, dark scenery will look brighter.Color R Adjusts the red color.Color G Adjusts the green color.Color B Adjusts the blue color.Saturation Adjusts a video image from black and white to fully saturatedcolor.• Press to decrease the amount of color in the image.• Press to increase the amount of color in the image.