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Code-Hopping
™
Explained
The receiver and transmitters each use a mathematical formula called
an algorithm to change their code each time the transmitter is used.
This technology has been developed to increase the security of the
unit. The control unit knows what the next codes should be.This helps
to keep the transmitter “in synch” with the control unit even if you use
the remote control out of range of the vehicle. However, if the transmit-
ter has been pressed many times out of range of the vehicle, or the
battery has been removed, it may get out of synch with the control unit
and fail to operate the system. To re-synch the remote control simply
press the arm/disarm button of the remote control several times within
range of the vehicle.The alarm will automatically re-synch and respond
to the transmitters normally.
Programming Options
Programming options control what your system does during normal
operation, and require little or no additional parts. However, some may
require additional installation labor. The factory settings are in bold.
• Active arming (only with the transmitter) or passive arming (auto-
matic arming 30 seconds after the last door is closed).
• Arming/disarming confirmation chirps on or off.
• Passive door locking (with passive arming) or active door locking
(only when arming with the transmitter) . This feature only works if
passive arming has been selected for step one.
• The ignition-switch-controlled door-locking feature on or off. With
this feature on, the doors will lock 3 seconds after the key is turned
on, and unlock when the key is turned off.
Note: If the door is open when the ignition is turned on, the doors will not lock.
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© 1994, 1997 Directed Electronics, Inc. 97G432.597