video xtreme VX-3000 Installation & Operation Manual page 85

• Advanced Color Enhance (ACE): Use the Advanced Color Enhance (ACE) controls
to customize the stored color space characteristics. To do this, use the
to select a component color (Red, Green, Blue, Yellow, Cyan or Magenta).
For each component color, you can adjust the following:
• Limit: This slidebar adjusts the intensity – also known as luminance – of a given
color.
• Saturation: This slidebar adjusts the color saturation level – the amount of that color
in a video image. Lower settings produce less saturated colors; a setting of "0"
removes that color from the image entirely. If the saturation is too high, that color will
be overpowering and unrealistic.
To restore the color space settings to their factory-default values, select Reset to
Defaults and press ENTER.
• Gamut: Under most conditions, the White Balance and Advanced Color Enhance
(ACE) controls in the Calibration menu are adequate for producing accurate and
realistic colors from a variety of sources.
In rare cases, though, you may need more precise control over the VX-3000 display
color gamut (range). For example, you may require a unique color gamut for a given
projector or application.
The VX-3000 enables you to define the precise hue of each primary color component
(white, red, green and blue) used to generate the millions of colors produced in
displays. You do this by specifying x/y coordinates and luminance values for each
primary color component.
The x and y coordinates for each color define its location on the standard CIE
chromaticity graph, shown in Figure 4-9. (CIE stands for "Commission Internationale de
l'Éclairage" (International Commission on Illumination), the organization responsible for
color measurement and management standards.)
1.0
y
0.9
0.8
0.7
0.6
0.5
0.4
D93
0.3
0.2
0.1
0.0
0.0 0.1 0.2
Figure 4-9. CIE 1931 Chromaticity Diagram
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