Histogram Settings
 
 
 
Histogram box
Select to display the red, green, blue, or luminance histogram in the graph. Select Current Curve to display the histogram for the currently selected Curves Channel.
Curves Channel box
Select to highlight the red, green, or blue channel curve in the graph.
Home button
Resets the curve view.
Reset box
Select to reset either the selected colour curve or all the curves to the default setting.
Set Key button
Sets the current values for the selected channels in the current frame.
Delete Key button
Deletes the selected keyframe or curve.
Reset Key button
Select to reset the current curve or all the curves to default.