JSTRON A6 Plus, Руководство пользователя

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6.2.3 KEY
Key: subtitle overlay, matting (valid only on D layer), and the matting effect as
shown below:

Select the D layer to turn on the Key switch, and the upper position of the layer
displays the color-buckling character to turn on the color-buckling character

Select D layer to turn on Key switch, which defaults to black button
Key type: chroma key
In this mode, image Key is carried out on the screen according to the color.
Principle methods: the colors are blended by red, green and blue R.G.B (0-255, 0-255,
0-255).
Under this menu, the color between upper and lower limits of each color are removed.
In the attached table, the red, green and blue primary colors as well as common black,
white and yellow colors are removed, corresponding to the values to be filled in
Computer picture
background color values,
please refer to the following
background color values to
achieve the best effect of color
matting
In the matting menu, please refer to the following
values for color deduction for best results
Red
upper
limit
Green
upper
limit
Blue
upper
limit
Red
lower
limit
Green
lower
limit
Blue
lower
limit
Matting black background 75 32 32 1 0 0