You can add, remove, and apply actions to the regions.
To add new regions:
This opens the Add New Group Members dialog box.
To perform an action on one or more regions, check the regions required in the list. You can then remove the regions or perform a group action on them. Click ACTIONS and then select the Start or Stop option. If you wish to stagger the start or stop action, then you can set the interval in seconds between each action.
You can edit or remove a region by clicking the appropriate icon at the far right of the group member list row.