2017

Table Of Contents
(a) Trackball option box (b) Gamma curves (c) Reset box (d) Luma range
To improve contrast using gamma:
1 Click Basics to display the Basics menu.
2 Select Gamma from the Trackball option box.
3 Display the gamma curve(s) you want to adjust.
To display:Enable:
The R, G, and B gamma curves at the same time.RGB
The R, G, or B gamma curve individually.Red, Green, or Blue
The Luminance curve. Use this curve to modify luminance levels locally without
affecting the overall luminance.
Luminance
Two curves are displayed for each channel, the original gamma curve, and an adjustment curve with
control points for regional control. Initially these curves overlap.
828 | Chapter 19 Colour Correcting