To mark an alert as a false alarm, go to the Alerts tab of the Alert App and press the event you want to mark as a false. This brings you to an overview of the event, and here you can press Mark as False Alert.
Once you mark an event as a false alarm, it will automatically go to the False Alarms tab on the Alerts page.
Unmark a false alarm
To unmark a false alarm go to the False Alerts tab on the Alerts page of your Alert App, tap on the alert and choose the “Not a False Alert”.