YXY Luminance Scaling
Yxy Luminance Scaling
Effect Mode parameter DMX value = 101
Mapping the mage to a Luminance Chrominance color space allows brightness adjustment without changing image color.
• Modifier 1:Scales luminance. Values below the midpoint decrease luminance from 127 to 0 = black. Settings
above the midpoint increase luminance from 128 to 255 (100%) = white. A DMX value of 64 allows you to view
the image at a minimum luminance.
• Modifier 2:Scales the x chrominance component. The default DMX value of 128 (50%) = no adjustment. Values
below the midpoint scale the x chrominance component down as you approach 0 = minimum. Values above the
midpoint up to a maximum. at a value of 255 (100%)
• Modifier 3:Scales the y chrominance component. The default DMX value of 128 (50%) = no adjustment. Values
below the midpoint scale the y chrominance component down as you approach 0 = minimum. Values above
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