1) Go to the 'Recordings' area on your box.
2) Under the 'My Scheduled Recordings' row, select the scheduled recording you would like to delete/cancel.
3) Select 'Modify recording' from the options
4) Select the 'Stop Recording' option that appears on your TV screen.
5) Select the 'Stop the Series' option that appears on your TV screen.
6) The scheduled recording should have been removed from the 'My Scheduled Recordings' row.