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This section offers tips on tuning computer monitor images. Do not attempt to adjust your display until it has been running for at least 30 minutes. Position the screen to avoid reflections and glare, and reduce the quantity of ambient light in the room. Begin by optimizing your monitor's resolution, color-depth, and refresh-rate settings in Windows. Get to know the controls on your monitor itself. The settings vary from display to display, but all have options for color temperature, brightness, and contrast. White light on your monitor is not pure white. It ranges from bluish white to reddish white. The particular color temperature you choose should be the point on this spectrum that most pleases your eye. To set or adjust brightness or contrast, you need calibration test patterns. Many graphics professionals rely on Displaymate, which provides excellent diagnostic and calibration patterns and instructions. The brightness setting actually controls the darkness, or black point, of your monitor. Set it too low, and dark shades of gray will appear black, set it too high, and your darkest blacks will look gray. Pick a setting that is pleasing to your eye. Brighter is not always better. Contrast settings that are too high can cause blurring on some cathode ray tube monitors, as well as increase eyestrain.

Compares the performance of liquid crystal display (LCD) and cathode-ray tube (CRT) information display systems. Advantage of CRT over LCD; Image quality of LCD and CRT monitors; Calibration of the display systems.