This layer emulates the leader used in film editing that was used to sync sound to picture.
|Content||Start at||The number that the countdown starts from.|
|End at||The last number to display in the countdown. The layer still remains active until the number of seconds set above have elapsed.|
|Appearance||Clock Background||This is that color to be used while the countdown is shown.|
|Ending Background||If the ending number isn't 1, this is the color to be displayed until the countdown ends.|