You can set up the following parameters for weekly task execution:
Select the days on which to execute the task by clicking on their names.
If you select At, set the task's start time. Enter hours and minutes manually, or set the desired start time, by using the up and down buttons.
If you select Upon event, choose the event you need: At user logon, At user logoff, At system startup or At system shutdown. To run a backup only at the first occurrence of the event, select the Once a day only box.
Advanced settings