How to replace a Custom Bell Schedule on the Calendar page
1. Navigate to the Calendar (DAY) table
2. Click the Bell Icon on the date where the Bell Schedule needs to be added
3. Select the Key, and choose the new key for the new bell schedule. Click Copy Schedule.
Reassign the Bell Schedule: Since changes to the custom bell schedule need to be re-assigned to the days on the calendar for the system to recognize the new times, make sure to reassign the updated schedule to each affected day