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Go to the Calendar tab under the schedular tab
At the top right under –Select & click date to set— choose the None Clear option from the drop down
When that is selected go to the calendar and left click on the date(s) you need the bell’s not to ring
Then click SAVE at the bottom when you are sure the changes are correct.
To test the different default audio tones:
Go to this website and download the pack from Algo.