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System Overview
Your Model 4821 security system can protect your
building using sensing devices such as door contact
switches and motion detectors. These devices
provide 24-hour electronic surveillance detection
and reporting.
The 4821 can monitor up to 400 separate zones,
which are simply protected areas in your building
such as doors and windows. Through touchpads and
audible signals, you can quickly identify which part
of your system is in alarm. You can also disarm
selected areas in your building, while other areas are
still armed.
Touchpads are normally installed in main office
areas and building entries for convenient operation.
Programmable in many ways, they provide an
extremely high degree of tamper-resistant security.
Access Control
The 4821 can provide controlled access at up to 24
door access stations.
Attempted Burglary (Intrusion)
It is important to arm your system whenever your
building is not occupied. You can arm and disarm
your system from any of the touchpads if you have
the appropriate access code.
Entry and exit delays give you an adjustable, pre-
programmed amount of time to enter or leave after
arming or disarming the system without activating
alarms.
Fire and Smoke Detection (Not UL Listed)
Your system monitors for fire even when your
system is disarmed. When the system detects a fire,
a local alarm sounds and your installer’s central
station is notified.
Auxiliary Conditions
A variety of auxiliary alarms can be programmed to
be sent to the appropriate officials or environmental
service companies under prescribed conditions such
as non-medical emergencies and equipment
malfunctions.
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