You can modify gamma,
            gain, and lift in several ways from the Grading menu. You can modify:
         
         
            - Overall gamma, gain, and lift settings
               of the red, green, and blue channels together.
            
- Overall gamma, gain, and lift settings
               of the red, green, and blue channels separately.
            
- Gamma, gain, and lift balance settings.
            
To modify gamma, gain, and lift:
         
         
            - Enable Grade and then do one of the following:
               
                  - Enable InPr to modify the input primary
                     values.
                  
- Enable OutPr to modify the output primary
                     values.
                  
 
- Use the following controls to perform
               primary colour grading.