Datavideo SE-4000, Инструкция по эксплуатации

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K Fgnd (Key Foreground): Key Foreground adjusts the performance of the chroma key
in light or white areas. Apply more Key Foreground if the light areas are becoming too
transparent.

K Bgnd (Key Background): Key Background adjusts the performance of the chroma
key in dark or black areas. Apply more Key Background if the dark areas are becoming
too transparent.

Hi-Light: Hi-light boosts the foreground key in high luminance area.

Lo-Light: Lo-light boosts the foreground key in low luminance area.

Bg-Supp: Turn ON Background Suppress removes the Luma (Brightness) of the
background from the final image. If the Chroma Key Output is showing Light Edges,
then the Bgnd suppress can be used to suppress any background Luma that is
showing through on these edges.
6. After configuring the chroma keyer, exit the menus and simply press KEY 1 PGM or KEY 1
PVW button on the switcher’s control panel to place the speaker on PGM or PVW Screen as
shown in the diagram below.
Chroma
Keying