Enabling
On the Display tab of the Calendar Options page you can switch on the support for mobile devices (smaller screens). This feature affects the Calendar View and Calendar Edit page.
Usage
With this feature enabled, an additional button will be available on top, the Screen button:
The user can select the current device screen width in the screen width dialog:
The calendar display will then adjust to the selected screen width by displaying the table in as much sections as needed so that not horizontal scrolling is necessary.