2017

Table Of Contents
(a) Ref White/Black fields and Prop (Proportional) buttons
To modify reference white or black values using the LUT Editor graph:
1 Do one of the following:
To set proportional R, G, and B values, select All from the Edit Curve box, and then drag the vertical
reference white or reference black line left or right.
To set independent R, G, or B values, select Red, Green, or Blue from the Edit Curve box, and then
drag the vertical reference white or reference black line left or right.
(a) Highlight line (b) Reference White line (c) Edit Curve box
TIP If you already entered independent values and want to modify the R, G, and B values proportionally,
you must drag the reference white or reference black line that corresponds to the corresponding channel.
To view the selected R, G, or B luma values as a greyscale luma image in the Import Image menu, enable
the Exclusive button.
Modifying Highlights and Shadows
Highlight and shadow values define the maximum and minimum values permitted for each channel. All
values above the highlight are clamped down to it. Similarly, all values below the shadow are clamped up.
1284 | Chapter 25 Colour Management