16
Operation
ˆ
Operation
USING THE ALERT
1. Loosen the screw on the door on the side of the alert, then
open the door to expose the sensitivity and mode switches.
2. Set the mode switch to
ALARM
or
ANNC
.
When the beam is interrupted in the ALARM mode, the
external siren sounds (or another external device is acti-
vated) until the path of the beam is restored. To silence the
alarm sooner, set the mode switch to
TEST/OFF
.
When the beam is interrupted in the ANNUNCIATE mode,
the built-in buzzer sounds and the external siren (or other
external device) is activated until the path of the beam is
restored.
3. Close the door on the side of the alert and tighten the
screw.
TESTING THE BACKUP DC SOURCE
1. Set the mode switch to
ALARM
or
ANNC
.
2. Unplug the AC adapter from the AC outlet.
3. Interrupt the beam by walking between the alert and the
reflector.
