Click on the Gann Fans to activate it and place it on the chart. (It displays dark grey.)
To move the object to another location, click, hold down and drag it to the new location.
To change the Color of the Gann Fans, click on the Color number to display the drop-down menu at the end of the row.
Select and click on a color from the drop-down menu.
To remove the Gann Fans, click on the object inside the squares and press Delete to remove it from the chart.