Models AW-CSD311 is photoelectronic detector uses a state of-the-art optical sensing chamber.This detector
is designed to provide open area protection and to be used with most conventional fire alarm control panel.
Two LEDs on each detector provide local 360° visible alarm indication. They flash every 3~5 seconds indicating
that power is applied and the detector is working properly. The LEDs latch on in alarm. LEDs will be off when a
trouble condition exists indicating that the detector sensitivity is outside the listed limit. The alarm can be reset
only by a momentary power interruption.