The existing scheduled task can be edited through edit option stationed at the 'Manage Schedule' group of 'Scheduler' tab. The settings at the edit are same as that which are discussed in the 'Schedule tab'.

The delete option is used to delete the selected schedule task. Select the scheduled task and click on delete button as shown in the image below.

Refresh option is usually implemented to refresh the list of scheduled task. This option is basically used to refresh the information view of the scheduled task. Click on the refresh button to refresh the view.