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©
1999 Directed Electronics, Inc.
Code Hopping
The receiver and transmitters each use a mathematical formula
called an algorithm to change their code each time the transmit-
ter 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 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 automatically 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.