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4.5 Color Menu SDC 2002
4-114
Operating Instructions - Rev. 1 / 6.2003
6SC Limiter - Chrominance & Saturation
6-SC limiter “S 100 - 108” or “H 100 - 108” terminates the RGB amplitude of
a selected color in a range of 100 - 108 %. Examples, see below.
50%
100%
108%
RGB
0%
R
G
B
Red Color Range
Saturation
Limiter OFF
Hue changes
Limiter 108 ON
Hue is maintained
50%
100%
108%
RGB
0%
R
G
B
Red Color Range
Saturation
Limiter OFF
Hue changes
Limiter 108 ON
Hue is maintained
Example 1
Limiter 108 ON
Hue is maintained
for a red color signal
where Red is clipped at 108%
and Green / Blue do no longer change
Example 2
Limiter 108 ON
Hue is maintained
for a red color signal
where Blue is clipped at 0%
and Red / Green do no longer change
Fig. 414: 6-SC Limiter
When performing modifications of luminance and saturation, one component of the
RGB signal may reach the border of the allowed signal range and has to be limited.
To avoid a hue change from individual unit of R, G or B, the legalizer will limit all
components of the RGB signal if one component R, G or B reaches the selected
border of the allowed range.
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