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 the '+' button next to your email account. This will show which calendars you can select or deselect.
5. Click the calendars you wish to appear on your display. Note: A check mark (✔️) will be shown on the right side of the calendar you've selected.
6. Click save and you're done!