Go to https://app.mangodisplay.com on your browser and log in to your account.
Choose the display you want to edit.
3. On the display window, click the edit button on the calendar widget.
4. Then click your connected email address to expand your account. This will show which calendars you can select or deselect.
5. Click the checkbox next to the calendar (s) you wish to appear on your display.
6. Click save and you're done!
Note: The calendar names are sorted in the legend in the same order as your selections.