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1999 Directed Electronics, Inc.
Zone: A zone is a separate input that the alarm can recognize as
unique. Each input to the system is connected to a particular
zone. Often two or more inputs may share the same zone.
Security & Convenience
Expansions
Here we have listed only some of the many expansion options
available. Please consult your dealer for a complete explanation of
all the options available to you.
Field Disturbance Sensor: An invisible dome of coverage is estab-
lished by the 508D “radar” sensor. Your system can react to any
intrusions into this field with the triggered sequence.
Backup Battery: The 520T backup battery keeps the system
armed, triggers the alarm and keeps the starter kill active if main
battery power is disconnected.
Electronic Hood Lock: This prevents the vehicle’s hood from being
opened whenever the system is in alarm mode, keeping thieves
away from the system’s siren, the battery connections, or other
components under the hood.
Audio Sensor: Metal on glass, glass cracking, or breaking glass
produce distinctive acoustic signatures. The 506T audio sensor
uses a microphone to pick up sounds, and then analyze them with