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HOW YOUR ALARM WORKS

THE COVER OF YOUR ALARM

1. Test/Silence Button:

Press and hold to activate
test, or to silence the
alarm.

2. POWER Light (GREEN)

3. Display

4. (Behind the Cover) Alarm

Horn: 85dB audible alarm 
for test, alarm, and unit 
malfunction warning.

5. Display Button: Press to

recall highest CO level
recorded

6. Battery Compartment

USING THE SILENCE FEATURE

NEVER disconnect the power to your Alarm to silence the horn—use the
Silence Feature. Disconnecting the Alarm removes your protection!

•  The Silence Feature is intended to temporarily silence the horn while 

you identify and correct the problem.

•  To use the Silence Feature, press the Test/Silence button until the horn

is silent.

•  If the Test/Silence button is pressed while the Alarm is in the silence

mode, the alarm will start sounding again.

WHEN THE GAS ALARM IS SILENCED...
The Alarm will remain silent for approximately 2 minutes and then return to
normal operation. If the gas has not cleared within the silence period, the unit
will go back into alarm.

WHEN THE CO ALARM IS SILENCED...
The CO Alarm will remain silent for up to 4 minutes. While the Alarm is
silenced, it will continue to monitor the air for CO. After 4 minutes, if CO levels
remain potentially dangerous the horn will start sounding again.

The Silence Feature is intended to temporarily silence the Alarm horn. It will
not correct a CO or gas problem.

WHAT TO DO IF EXPLOSIVE GAS IS DETECTED

1.

Leave the house immediately, opening doors and windows as you leave.

2.

Do not use your telephone or appliances. Do not turn any light switches off
or on. Any spark or flame could ignite the gas.

3.

Call 911 and your gas company from a phone that is away from your home.

4.

Do not re-enter the area until the source of the leak is found and corrected.

• If the unit alarms and you are not testing the unit, it is warning you

of a potentially dangerous situation that requires your immediate
attention. NEVER ignore any alarm. Ignoring the alarm may result in
injury or death.

• Never disconnect the power to quiet an unwanted alarm.

Disconnecting the power disables the Alarm. This will remove 
your protection.

Alarms have various limitations. See "General Limitations of Gas/CO
Alarms" for details.

If you hear the alarm horn sound one beep per second, gas has
been detected. The word GAS will be displayed. Evacuate everyone
from the building.

IF THE CO ALARM SOUNDS:
1.

Operate the Test/Silence button.

2.

Call your emergency services, fire department or 911. Write down the 
number of your local emergency service here:

_______________________________________________________________

3.

Immediately move to fresh air—outdoors or by an open door or window.
Do a head count to check that all persons are accounted for. Do not re-
enter the premises, or move away from the open door or window until the
emergency services responder has arrived, the premises have been aired
out, and your CO Alarm remains in its normal condition.

4.

After following steps 1-3, if your CO Alarm reactivates within a 24-hour 
period, repeat steps 1-3 and call a qualified appliance technician to 
investigate for sources of CO from fuel-burning equipment and appliances,
and inspect for proper operation of this equipment. If problems are identi-
fied during this inspection have the equipment serviced immediately. Note
any combustion equipment not inspected by the technician, and consult
the manufacturers’ instructions, or contact the manufacturers directly, for
more information about CO safety and this equipment. Make sure that
motor vehicles are not, and have not, been operating in an attached 
garage or adjacent to the residence. Write down the number of a qualified
appliance technician here:

_______________________________________________________________

IF YOUR GAS/CO ALARM SOUNDS

WHAT TO DO IF CARBON MONOXIDE IS DETECTED

Actuation of your CO Alarm indicates the presence of carbon monoxide
(CO) which can kill you. In other words, when your CO Alarm sounds, you
must not ignore it!

TEST THE ALARM

1.

Make sure the Alarm is receiving AC power. Under normal operation, the Green
indicator light will shine continuously. If the Green power indicator light does
not light, recheck connections. If connections are correct and the Green
power indicator still does not light, the unit should be replaced immediately.

2.

Press and hold the test button until the alarm sounds. You will hear the 
signal that indicates the presence of explosive gas followed by the signal
for carbon monoxide.
When testing the Alarm, have someone else check that the Alarm can be
heard easily from the sleeping areas. The unit should be located where it
can wake you if it alarms at night.

USING THE REMOTE CONTROL TEST/SILENCE FEATURE

Using the VOLUME or CHANNEL buttons on most remote controls, you can
test or silence this gas/CO Alarm from up to 12 feet (3.6 meters) away.

To Test or Silence the Alarm:

1.

Make sure you have a clear path between you and
the Alarm, free of any obstructions.

2.

Point the remote at the front of the Alarm.

3.

Press the VOLUME or CHANNEL button for at least 
5 seconds.

If the Alarm does not respond to your remote control:

You may be standing too far away.

Your remote may not be compatible.

You did not hold the button on your remote for at
least 5 seconds.

AC power must be present to Silence the low battery chirp.

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Summary of Contents for GCO1

Page 1: ... of either gas detected Therefore it is possible that you may smell gas before the Alarm is activated If you are not sure which gas your home uses contact your utility company For CO Alarms the National Fire Protection Association NFPA recommends that a CO Alarm should be centrally located outside of each separate sleeping area in the immediate vicinity of the bedrooms For added protection install...

Page 2: ...ng excessively noisy power Examples of noisy power could be major appliances on the same circuit power from a generator or solar power light dimmer on the same circuit or mounted near fluorescent lighting Excessively noisy power may cause damage to your Alarm Find the pair of self adhesive labels included with this Gas CO Alarm On each label write in the phone number of your emergency responder li...

Page 3: ...______________________________ 3 Immediately move to fresh air outdoors or by an open door or window Do a head count to check that all persons are accounted for Do not re enter the premises or move away from the open door or window until the emergency services responder has arrived the premises have been aired out and your CO Alarm remains in its normal condition 4 After following steps 1 3 if you...

Page 4: ...ndicate relative CO exposure level Silent All segments of display are turned on for a short time upon initial power Then the battery level icon is displayed 4 SILENCING THE LOW BATTERY WARNING This Silence Feature can temporarily quiet the low battery warning chirp for up to 8 hours if AC power is present You can silence the low battery warning chirp two ways 1 Manually Press the Test Silence butt...

Page 5: ...re often sources of CO If they are not properly main tained are improperly ventilated or malfunction CO levels can rise quickly CO is a real danger now that homes are more energy efficient Air tight homes with added insulation sealed windows and other weatherproofing can trap CO inside SYMPTOMS OF CO POISONING These symptoms are related to CO POISONING and should be discussed with ALL household me...

Page 6: ...ustion engines abnormal operation of fuel fired appliances and fireplaces CO Alarms are intended to alarm at carbon monoxide levels below those that could cause a loss of ability to react to the dangers of Carbon Monoxide exposure This CO Alarm monitors the air at the Alarm and is designed to alarm before CO levels become life threatening This allows you precious time to leave the house and correc...

Page 7: ...s is your exclusive warranty This warranty is valid for the original retail purchaser from the date of initial retail purchase and is not transferable Keep the original sales receipt Proof of purchase is required to obtain warranty performance BRK dealers service centers or retail stores selling BRK products do not have the right to alter modify or any way change the terms and conditions of this w...

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