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2000 Directed Electronics, Inc.
Code Hopping
The receiver and transmitters each use mathematical formulas
called algorithms to change their codes each time the transmitter
is used. This technology has been developed to increase the secu-
rity of the unit. The control unit knows what the next codes should
be. This helps to keep the transmitter "in sync" with the control
unit even if you use the remote control out of range of the vehicle.
However, if the transmitter has been pressed many times out of
range of the vehicle, or the battery has been removed, it may get
out of sync with the control unit and fail to operate the system.
To re-sync the remote control simply press of the transmitter
several times within range of the vehicle. The alarm will automat-
ically re-sync and respond to the transmitters normally.
High Frequency
Your system transmits and receives at 434 MHz. This provides a
cleaner spectrum with less interference and a more stable signal.
Enjoy a phenomenal increase in range – even in areas with high
radio interference.