TO LOCK THE BATTERY COMPARTMENT
Do not lock the battery compartment until you activate the battery
and test the Smoke Alarm.
1. Install the battery so the terminals
on the battery match the terminals
on the Smoke Alarm. Match “+” to
“+” and “-” to “-.” Push the battery
in until it snaps in securely and can-
not be shaken loose. If the battery is
not snapped in completely, the unit
cannot receive battery power.
2. Push and hold test button until the
alarm sounds:
3 beeps, pause, 3 beeps, pause.
If the unit does not alarm during test-
ing, DO NOT lock the battery compart-
ment! Install a new battery and test
again. If the Smoke Alarm still does
not alarm, replace it immediately.
3. Using needle-nose pliers or a utility
knife, detach one locking pin from
the mounting bracket.
4. Push the locking pin through the
hole near the battery door latch on
the back of the Smoke Alarm.
TO LOCK THE MOUNTING BRACKET:
1. Using needle-nose pliers,
detach one locking pin from
the mounting bracket.
2. Insert the locking pin through
the hole on the back of the
Smoke Alarm as shown in the
diagram.
3. When you attach the Smoke
Alarm to the mounting bracket,
the locking pin’s head will fit
into a notch on the bracket.
The optional locking features are designed to prevent unauthorized removal of the battery or alarm. It is not necessary to activate the locks in
single-family households where unauthorized battery or alarm removal is not a concern.
These Smoke Alarms have two separate locking features: one to lock the battery compartment, and the other to lock the Smoke Alarm to the mounting
bracket. You can choose to use either feature independently, or use them both.
Tools you will need: • Needle-nose pliers or utility knife • Standard flathead screwdriver.
Both locking features use locking pins, which are molded into the mounting bracket. Depending on which locking
features you use, remove one or both pins from the mounting bracket using needle-nose pliers or a utility knife.
To permanently remove either locking pin, insert a flathead screwdriver between the locking pin and the lock,
and pry the pin out of the lock.
TO UN-LOCK THE BATTERY COMPARTMENT
1. Remove the Smoke Alarm
from the mounting bracket.
If the unit is locked to the
bracket, see the section
“To Un-Lock the Mounting
Bracket.”
2. Insert a flathead screwdriver
under the head of the locking
pin, and gently pry it out of the
battery compartment lock. (If you
plan to re-lock the battery com-
partment, save the locking pin.)
3. To re-lock the battery
compartment, close the
battery door and reinsert locking
pin in lock.
4. Reattach the Smoke Alarm
to the mounting bracket.
When replacing the battery, always
test the Smoke Alarm before re-
locking the battery compartment.
TO UN-LOCK THE MOUNTING BRACKET:
1. Insert a flathead screwdriver into
the rectangular cut-out on the
mounting bracket nearest to the
locking pin.
2. Pry the Smoke Alarm away from
the bracket by pushing up on
the screwdriver and turning the
Smoke Alarm counterclockwise
(left) at the same time.
OPTIONAL LOCKING FEATURES
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