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Code hopping – Directed Electronics 431R User Manual

Page 17

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13

©

2000 Directed Electronics, Inc.

ZONE

(Number of

DEALER-INSTALLED

LED Flashes)

DESCRIPTION

OPTIONS

1

Instant trigger for optional
hood or trunk pins

2

A heavier impact detected by
the Shock Sensor

3

Door switch trigger

5

Ignition trigger

NOTE: The LED does not report when the Warn Away

®

response has been

activated; it only reports Triggered Sequences.

Code Hopping

The receiver and transmitter use mathematical formulas called

algorithms to change their codes each time the transmitter is used.

This Code Hopping technology has been developed to increase the

security of the unit. By following this set code sequence, the

receiver and transmitter stay synchronized, even if the transmitter

is used out of range of the vehicle. If, however, the transmitter is

pressed many times out of range, or the battery is removed, the

transmitter may get temporarily out of sync and fail to operate the

system. To resynchronize the transmitter, simply press

several

times within range of the vehicle. The system will automatically

resynchronize and the transmitter will respond normally.