You can perform the following actions over scheduled task:
New - Creates a new task.
In order to create a scheduled task you must have at least one e-mail campaign scheduled. To create a task just click the New task button. Next form appears.

Edit - When you click on this it allows to Edit selected scheduled task.
Page will be displayed in a same form as creating a task, where User can make modifications to the task. If the task is running, you will not be able to make any changes to the task.
Delete - Removes selected scheduled task.
Start time - Set time of sheduler task.
Run group box - Set scheduled task.
- None - If you set this option, the sheduler task will never be run.
- Once - This option allows you to run the sheduler task only once in set start time.
- Repeatedly-This option allows you to run a saved task through identical time intervals.