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D1260/D1260B | Owner's Manual | Appendix - Security System Limitations
Bosch Security Systems | 9/04 | 50410D 93
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Security System Limitations
Not even the most advanced security system can
guarantee protection against burglary, fire, or
environmental threats. All security systems are subject
to possible compromise or failure-to-warn for a variety
of reasons including, but not limited to, the following:
• If sirens or horns are placed outside the hearing
range of people in remote areas of the building or
in areas, which are frequently closed off, they do
not provide the intended protection.
• If intruders gain access through unprotected points
of entry, the system will not detect their entrance.
• If intruders have the technical means of bypassing,
jamming, or disconnecting all or part of the system,
they will not be detected.
• If the AC power supply is OFF and the back-up
battery is either missing or dead, sensors will not
detect intrusion.
• Smoke detectors cannot detect smoke in chimneys,
walls, or roofs, or smoke blocked by a closed door.
They may not detect smoke or fire on a level of the
building different from the one on which they are
located. Smoke detectors may not be able to warn
in time about fires started by explosions, improper
storage of flammables, overloaded electrical
circuits, or other types of hazardous conditions.
• If phone lines are out of service, reports from the
security system to the Security Company cannot be
sent unless there is an alternate means of
communication. Telephone lines are vulnerable to
compromise by several means.
Inadequate maintenance and failure to test are the most
common causes of alarm failure. It is strongly
recommended that you test your system once a week to
be sure that all system components are working
properly.