Section Alarms, Scheduler has only one Alarms list tab which lists all the alarm clocks used.
Checkbox Enable Alarms switches on/off all the alarm clock at once. There is a checkbox opposite each alarm clock to switch on/off each alarm clock start.

Button description is to the right from the list:
Add |
Add new alarm clock. For further details see the New alarm clock section. |
Edit |
Edit existing alarm clock. Double click on the alarm clock acts as this button. |
Delete |
Delete chosen alarm clock from the list. |
Launch |
Perform now actions defined in the chosen alarm clock from the list, ignoring its starting conditions. |