Navigate: Disconnect calendar sync
How to disconnect your calendar sync in Navigate
1) Locate the calendar icon on the toolbar to open your Navigate Calendar.
2) Click the Settings and Sync link at the top right-hand corner of the Calendar Screen.
3) Select Disconnect sync...
4) Confirm that you would like to disconnect your calendar.
You will then have the option to keep your calendar unsynced with Navigate, or to resync at another time. (Navigate: Calendar Sync)