Datavideo SE-4000 8-Channel 4K Video Switcher - Manual (Page 67)

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Shade Matte determines the inner border. The boundary between the normal border matte
and the shade matte can be determined by adjusting the Shade Position parameter.
Border Matte
Shade Matte
Shade Matte
Border Matte
Luma, Sat and Hue
The color of the Shade Matte can also be controlled by adjusting the Hue, Sat and Luma
values.
For Hue value, Red is 0, Green is approximately 120 and Blue is approximately 240. For
secondary colors, Yellow is approximately 60, Cyan is approximately 180 and Violet is
approximately 300.
The Sat or Saturation value refers to the intensity of the color selected in Hue. As the
saturation increases, the color appears to be more pure. As the saturation decreases, the
color appears to be more washed-out or pale.
The Luma value relates to how bright or dark the selected color or hue is. The higher the
Luma value, the brighter the color selected in Hue.
Shade Softness and Position
The Shade Matte can be further configured by adjusting its softness (Shade Soft) and width
(Shade Pos).