Knoll Systems LED1081 user manual Typical Gray Bar Pattern for Adjusting Contrast

• Contrast: On your external test pattern source, select a stepped, gray-bar pattern like the one shown in Figure 4-10.

Figure 4-10: Typical Gray Bar Pattern for Adjusting Contrast

Select Contrast from the IMAGE menu. Use the or buttons to adjust the contrast up until the top two bars be- come 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 IMAGE 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 IMAGE menu. Decrease this setting to shift the hue toward red; increase it to shift the hue toward green.

Note	Like the Brightness and Contrast controls, the color and tint controls are interactive. A change to
	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.

Figure 4-11: Sharpness Sub-Menu

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