There is a option to download the manual in PDF. That sould make it practical to global search on the keyboards 'block' and schedule' and see if there aere two or more splaces.
EDIT
Yes, ther are two areas.
In one place you create a 'filter' and in another your schedule the 'filter'.
The filter can be a list of sites, or a restricting of specific services. Succh as HTTP service.
The information is in Chapter 3 of the manual.