Python 671XP - Manual (Page 39)

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Here we have listed only some of the many expansion options
available. Please contact your dealer for a complete explanation
of all the options available to you.
Audio Sensor: Metal on glass, glass cracking, and breaking glass
each produce distinctive acoustic signatures. The 506T audio
sensor uses a microphone to pick up sounds, and then analyzes
them with proprietary acoustic software to determine if the glass
has been struck.
Backup Battery: The 520T keeps the system armed, triggers the alarm
and keeps the starter kill active if main battery power is disconnected.
Field Disturbance Sensor: An invisible dome of coverage is estab-
lished by installing the 508D "radar" sensor. Your security
system can then react to any intrusions into this field with the
triggered sequence.
Headlight and Parking Light Automation: The 545T Nite-Lite®
will automatically turn on your parking and headlights when it
gets dark. In addition, the 545T will turn your headlights on
whenever the windshield wipers are used. A 2-way remote func-
tion can also be used to turn on your parking and headlights for
a programmed time.
Power Trunk Release: The channel two output of the system can
operate a factory power release for the vehicle’s trunk or hatch.
(An additional relay may be required.) If the factory release is not