Use this dialog to fine tune the circle.

The dialog lets you choose to inspect the circle for each of the 5 canvases.   Switch between canvases by using the listbox.

• Move the control
  You can move the control at 5/100 mm steps by using the arrow buttons below the map excerpt.
  If the controls are locked, the arrow buttons are inactive.  You can then use the "Temporarily unlock" check box to override the lock.
• Cut out parts of the circle that cover for important map details
  The circle is split in 36 "slices".  You can toggle off each of these slices.  Just click inside a slice to toggle off or on the corresponding segment of the circle.

Use the Apply button to save the circle settings without leaving the Control Circle dialog.

Note: Whenever you have modified a circle - either moved it or changed the cutting - you are "locked" at the current canvas until you "apply" the changes.

The Settings button brings you to the relevant control circle dimensions settings for the selected canvas.

Use the Attack Angles button to show you the combined set of attack angles for all the courses.  The red "arrows" indicate the direction of courses coming in to the control; the blue "arrows" indicatate the exit directions.