When a client clicks through and lands on the locations tab, all of the mapped locations will be displayed. If Locations is selected as the first screen in the webflow, then all locations will be displayed. However, if you have selected a different webflow where locations are not first (say, Staff->Location->Service) only Locations where the selected staff member operates out of will be displayed.
If you click the caret icon to the left of the Location Tab text in the configure scheduler screen, you’ll see what options you have to customize the scheduler:
In this case, you can only change the tab title and add some custom header text which will display directly underneath the title bar.