First-alert SMOKE AND FIRE ALARM User Manual download pdf (Page 3)

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.

OPTIONAL LOCKING FEATURES

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.

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First-alert SMOKE AND FIRE ALARM User Manual Page 3

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