Monitor Calibration

Ever walked into a electronics store and looked at the wall of TV's, all showing the same program, and each TV picture looking slightly different from the one next to it? Here is the problem. No two brands of computer monitors look alike without careful calibration. Also, different operating systems have different standards for brightness, contrast and gamma. Not that very many monitors come close to conforming to the established standards. Your monitor most likely doesn't display images the way mine does. For a sipmlified method of adjustment to the best viewing of my website and others please adjust to the following...

Brightness / Contrast
This grayscale chart below is surrounded by medium gray.  Use it to adjust the contrast and brightness of your monitor although this adjustment may not work quite as well for LCD monitors especially in a bright environment.

  1. Wait for your monitor to warm up for 30 minutes before proceeding.  Typically, monitors will not show black properly until warmed.
  2. Check your monitor settings to ensure you are viewing at least thousands of colors (16 bits) or higher.  Ideal setting is 24-bit or 32-bit color (millions of colors).
  3. Adjust  room lighting so the monitor is somewhat brighter than its environment.  The room should not be too dark so that the monitor is much brighter than the room or too bright so that the monitor is washed out by reflections and by room brightness.
  4. Set the contrast of your monitor to 100% - maximum contrast.
  5. Adjust the brightness of your monitor so you can see a full range of black to white steps in the grayscale chart above.  Each step is the same width. The first few steps on the either the black or white end will be the most difficult to distinguish, and MAY be impossible to distinguish on your monitor.  The black should be completely black, and the white should be completely white.  There should be no color cast to the gray surrounding area.
Color Adjustment
Below are three charts of the primary colors.  Ideally, you should see a full range of steps as in the grayscale chart above.  However, they will be more difficult to distinguish at the ends of the chart.  The brightness of each of the primary colors on the right side of the chart should be equal.  Each step from maximum brightness should be visible, at least until you get to the bottom third of the chart.  The falloff of brightness for each of the colors as you move right to left should be equal.  Adjustment of color is often allowed either with a control panel or directly on your monitor, using built-in controls.  The gray around the color charts should not have a color cast of any type.


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