Processing and Formatting Effects > Flame FX > Denoise >
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.