Defeat Siren Alert Option
To choose message types to be silenced press the MENU key and
the up or down arrow keys to find “DEFEAT SIREN” displayed.
Press SELECT key and use up or down arrow keys to find the
event type you wish to silence. Press the left or right arrow key to
change the status of the event. The status is shown by the
“ALERT ENABLE” or “ALERT DISABLE” icons at the bottom
of the display. Press the up or down key to find another event
type or press MENU key to exit this function.