SHORT FUNCTIONING DESCRIPTION
Unlike a traditional alarm, the wireless alarm allows the automatic arming and disarming of the same
through the indirect use of the transponder.
The possible causes of alarm operated by
wireless alarm are:
the
Alarm generated by start
the vehicle engine.
ing of
Alarm generated by opening
the bonnet (if the grey wire is setting as input).
of
Alarm generated by ultrasonic sensors present in the passenger compartment of the vehicle (if are
present).
To ensure the automatic alarm arming, is necessary pay attention to the range of the transponder and
so of the distance between the vehicle to the transponder (see the chapter “Functioning range”).
ELECTRIC CONNECTIONS
Before completing the electrical connections, carefully consult the car use and maintenance
handbook and disconnect the negative pole of the battery, paying particular attention to the
Air-bag devices, on-board computers and coded car radios.
Red wire (alarm unit):
connect to the po12V of the battery.
alarm ground,
connect
to
vehicle
ground.
Black wire (alarm unit):
this wire is used as input for protect the bonnet (default) or as output: to do the stop
Grey wire:
engine or to manage a satellite activator or to manage a status led (blinking when the alarm is
armed)
NOTE:
If the the grey wire was not used, at the end of the learning procedure, must be taped and left
floating.
connect
to
the
positive
+12V.
Red wire (ultrasonic module):
ultrasonic
module ground,
connect
to
vehicle
ground
Black wire (ultrasonic module):
.
PAG. 20
Summary of Contents for LA251
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