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©
1999 Directed Electronics, Inc.
Glossary of Terms
Control Unit: The "brain" of your system. Usually hidden underneath
the dash area of the vehicle. It houses the microprocessor which
monitors your vehicle and controls all of the system's functions.
Failsafe
®
Starter Kill: An automatic switch controlled by the secu-
rity system which prevents the vehicle’s starter from cranking
whenever the system is armed. The vehicle is never prevented from
cranking when the system is disarmed, in Valet
®
mode, or should
the starter kill switch itself fail. Your system is ready for this fea-
ture, however installation may require additional labor.
Input: A physical connection to the system. An input can be pro-
vided by a sensor, pinswitch or to existing systems in the vehicle,
such as ignition or courtesy lights.
LED: Red light mounted somewhere in the vehicle. It is used to
indicate the status of your system. It is also used to report trig-
gers and faults in the system or sensors.
Shock Sensor: This system is packaged with a Doubleguard
®
Shock
Sensor. This sensor is mounted in the vehicle and designed to pick
up impacts to the vehicle or glass.
Siren: Noise generating device usually installed in the engine
compartment of the vehicle. It is responsible for generating the
"chirps" you hear, as well as the six tones you hear while the alarm
is triggered.