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ENGLISH
This system is manufactured from the highest quality components to ensure a long trou-
ble free operating life and comply with the British insurance industry’s criteria for vehicle
security for Category 2 à 1 (L2 à 1) (AFTERMARKET SYSTEMS) [Utilising the original
equipment remote tested to Issue 2 Criteria] product, as evaluated by Thatcham
(MIRRC).
Note: Category 2 à 1 (L2 à 1) product – 670T alarm system is only to be fitted in conjunction
with a Category 2 (L2) immobiliser to obtain Category 1 status for the vehicle security.
The 670T alarm is for vehicles equipped with a 12v negative earth electrical system.
This alarm system is exclusively a deterrent against possible theft.
In no way can it be considered as an actual insurance against theft.
The manufacturer declines any liability for faults or anomalies in the alarm system, in its accesso-
ries or in the vehicles’s electric equipment due to incorrect installation or unobservant of specified
features/standards.
These instructions are intended to familiarise you with their very simple operation.
What is CAN BUS?
CAN BUS (Controller Area Network) is a serial communications network that allows most of the
vehicle modules (ECU’s) to communicate with each other using data. On old vehicle’s the four
control switches for the electric windows in the drivers door would have at least 2 wires from each
switch going to each door window on the vehicle. On new vehicles with CAN bus only two wires are
required to come from the drivers door to control all the electric windows on the vehicle. This is
achieved by having small modules inside each door that interprets the CAN data on these two
wires. These modules not only control the electric windows they also control other equipment like,
central locking, interior/exterior lighting, electric mirrors, electric seats, etc. The Laserline 6 series
alarms are capable of reading some of the CAN bus data to interpret when doors are open/closed,
2 - INTRODUCTION
ISUT670T NEW.p6519/12/2011, 16.063
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