Mass rescue
A series of three blasts of the siren is given. On this alarm, all available qualified persons are to assist and report to the patrol captain on duty.
Emergency evacuation alarm
The emergency evacuation flag (red and white, quartered) is waved or held out of the tower, and the alarm bell or siren is sounded continuously until everyone is out of the water.
All clear/beach open
A public announcement is made over the loudhailer/PA system.