First of all; the week scheduler works the following controllers: Echo, Echo Plus, Sierra II, Tango, Alfa II and Neets DelTa, as they all have an NEB port.
In Project Designer you'll have to add the "Neets > NEB > NEB expansion board" in order to get the real time clock and the battery function, which is on the Port Expansion.
Start by adding the NEB expansion board to your controller in the Systems page.
In the Feedback section you can then create up to 20 events on a specific time of day and week in the scheduler and make these events do i.e. a "Press button" function. You can choose to press a physical keypad button or you can choose to press a button in the graphical user interface, e.g. on a SieRRa II.
Top tip: If you want to create an action which is not something you have on an existing button, you can create a hidden page (A page with no "Jump page" function) and execute whatever you like on this particular button.