Processing and Formatting Effects > Flame FX > Blur >
Channels Settings

RGB Channels | YUV Channels

Weight fields
  Displays the weighted value of the blurred channel.
Position X fields
  Displays the horizontal offset of the blurred channel.
Position Y fields
  Displays the vertical offset of the blurred channel.
YUV Colour box
  Select whether to affect Luma or Chroma only, or include both when blurring in YUV colour space.