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23
WARNING! THE LIMITATIONS OF THIS ALARM SYSTEM
While this system is an advanced design security system, it does not offer guaranteed protection against burglary or other
emergency. Any alarm system, whether commercial or residential, is subject to compromise or failure to warn for a variety of
reasons. For example:
Intruders may gain access through unprotected openings or have the technical sophistication to bypass an alarm sensor or
disconnect an alarm warning device.
Intrusion detectors (e.g. passive infrared detectors), smoke detectors, and many other sensing devices will not work
without power. Battery operated devices will not work without batteries, with dead batteries, or if the batteries are not
put in properly. Devices powered solely by AC will not work if their AC power supply is cut off for any reason, however
briefly.
Signals sent by wireless transmitters may be blocked or reflected by metal before they reach the alarm receiver. Even if
the signal path has been recently checked during a weekly test, blockage can occur if a metal object is moved into the path.
A user may not be able to reach a panic or emergency button quickly enough.
While smoke detectors have played a key role in reducing residential fire deaths, they may not activate or provide early
warning for a variety of reasons in as many as 35% of all fires. Some of the reasons smoke detectors used in conjunction
with this System may not work are as follows. Smoke detectors may have been improperly installed and positioned. Smoke
detectors may not sense fires that start where smoke cannot reach the detectors, such as in chimneys, in walls, or roofs, or
on the other side of closed doors. Smoke detectors also may not sense a fire on another level of a residence or building. A
second floor detector, for example, may not sense a first floor or basement fire. Moreover, smoke detectors have sensing
limitations. No smoke detector can sense every kind of fire every time. In general, detectors may not always warn about
fires caused by carelessness and safety hazards like smoking in bed, violent explosions, escaping gas, improper storage of
flammable materials, overloaded electrical circuits, children playing with matches, or arson. Depending upon the nature of
the fire and/or the locations of the smoke detectors, the detector, even if it operates as anticipated, may not provide
sufficient warning to allow all occupants to escape in time to prevent injury or death.
Passive Infrared Motion Detectors can only detect intrusion within the designed ranges as diagrammed in their
installation manual. Passive Infrared Detectors do not provide volumetric area protection. They do create multiple beams
of protection, and intrusion can only be detected in unobstructed areas covered by those beams. They cannot detect motion
or intrusion that takes place behind walls, ceilings, floors, closed doors, glass partitions, glass doors, or windows.
Mechanical tampering, masking, painting or spraying of any material on the mirrors, windows or any part of the optical
system can reduce their detection ability. Passive Infrared Detectors sense changes in temperature; however, as the
ambient temperature of protected area approaches the temperature range of 32° to 40°C, the detection performance can
decrease.
Alarm warning devices such as sirens, bells or horns may not alert people or wake up sleepers if they are located on the
other side of closed or partly open doors. If warning devices sound on a different level of the residence from the bedrooms,
then they are less likely to waken or alert people inside the bedrooms. Even persons who are awake may not hear the
warning if the alarm is muffled from a stereo, radio, air conditioner or other appliance, or by passing traffic. Finally, alarm
warning devices, however loud, may not warn hearing-impaired people or waken deep sleepers.
Telephone lines needed to transmit alarm signals from a premises to a central monitoring station may be out of service or
temporarily out of service. Telephone lines are also subject to compromise by sophisticated intruders.
Even if the system responds to the emergency as intended, however, occupants may have insufficient time to protect
themselves from the emergency situation. In the case of a monitored alarm system, authorities may not respond
appropriately.
This equipment, like other electrical devices, is subject to component failure. Even though this equipment is designed to
last as long as 10 years, the electronic components could fail at any time.
The most common cause of an alarm system not functioning when an intrusion or fire occurs is inadequate maintenance. This
alarm system should be tested weekly to make sure all sensors and transmitters are working properly.
Installing an alarm system may make one eligible for lower insurance rates, but an alarm system is not a substitute for
insurance. Homeowners, property owners and renters should continue to act prudently in protecting themselves and continue
to insure their lives and property.
We continue to develop new and improved protection devices. Users of alarm systems owe it to themselves and their loved
ones to learn about these developments.
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