Telephone Lines; Warning Devices - DSC IMPASSA TL8055LT Manual De Instalación

warning of fires caused by carelessness or safety haz-
ards such as smoking in bed, violent explosions, escap-
ing gas, improper storage of flammable materials,
overloaded electrical circuits, children playing with
matches, or arson. Even if the smoke detector oper-
ates as intended, there may be circumstances when
there is insufficient warning to allow all occupants to
escape in time to avoid injury or death.

Telephone lines

If telephone lines are used to transmit alarms, they
may be out of service or busy for certain periods of
time. Also an intruder may cut the telephone line or
defeat its operation by more sophisticated means
which may be difficult to detect.

Warning devices

Warning devices such as sirens, bells, horns, or
strobes may not warn people or waken someone sleep-
ing if there is an intervening wall or door. If warning
devices are located on a different level of the res-
idence or premise, then it is less likely that the occu-
pants will be alerted or awakened. Audible warning
devices may be interfered with by other noise sources
such as stereos, radios, televisions, air conditioners,
other appliances, or passing traffic. Audible warning
devices, however loud, may not be heard by a hear-
ing-impaired person.
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