User's Manual

Remove the old batteries and wait a minimum of 20
seconds before installing 2 new CR123A batteries. Be
sure to install the battery correctly.
2.
Replacing Batteries
CR123A Batteries
Alarm (Back)
Attach the alarm onto the mounting base by
matching up the alignment marks and then turning
the alarm clockwise until it clicks into place.
Wait for a single blink of the red LED, followed by a
single blink of the yellow LED. The alarm is now in
Standby mode.
3.
4.
Using your
ADT Smoke Alarm