Matrox MXO2 PCIe Host Adapter - Manual (Page 151)

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Creating a Matrox secondary color correction
each luminance value present in your image as a vertical line. A longer line
indicates a higher amount of pixels in your image of that line’s luminance
value.
• Hue Click this button to enable or disable the Hue Key properties ( Hue ,
Aperture and Softness ). When enabled you will be able to see the Hue
Key indicator and handles to modify the Hue Key properties in the selective
key graph.
• Sat Click this button to enable or disable the Saturation Key properties
( Low Clip , Low Gain , High Gain , and High Clip ). When enabled you will
0
Hue
1
Aperture
2
Softness
2
1
0
1
2