Digital Projection M-Vision, Руководство по эксплуатации

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OPERATION
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PLUGE patterns vary but generally consist of some combination of black, white and gray areas against a black back-
ground. The example above includes two vertical bars and four shaded boxes.
Select Brightness from the Main menu. Use the or buttons to adjust the level so that:
The darkest black bars disappear into the background.
• The dark gray areas are barely visible.
• The lighter gray areas are clearly visible.
• The white areas are a comfortable level of true white.
• The image contains only black, gray and white (no color).
Contras: On your external test pattern source, select a stepped, gray-bar pattern like the one shown in Figure 4-4.
Figure 4-4: Typical Gray Bar Pattern for Adjusting Contrast
Select Contrast from the Main menu. Use the or buttons to adjust the contrast up until the top two bars become
almost the same brightness, then down just until the brightness change between these bars is consistent with the other
bars.
Note
Brightness and Contrast controls are interactive. A change to one may require a subtle change to
the other in order to achieve the optimum setting.
Color Saturation:To adjust the overall color intensity, select Color Saturation from the Main menu. Decrease this setting
if colors are overly saturated; increase it if colors appear muted or washed out.
Color Tint:Tint or “hue” is the ratio of red to green in the color portion of the image. To adjust the tint, select Color Tint
from the Main menu. Decrease this setting to shift the hue toward red; increase it to shift the hue toward green.
Like the Brightness and Contrast controls, the color and tint controls are interactive. A change to
Note
one may require a subtle change to the other in order to achieve the optimum setting.
Sharpness: “Sharpness” is the amount of high-frequency detail in the image. To adjust this, select Sharpness from the
Main menu and press ENTER. On your external test pattern source, select a pattern like the one shown in Figure 4-5.
Figure 4-5: Typical Test Pattern for Adjusting Sharpness