Diagnostics; Arming-Diagnostics; Disarming-Diagnostics - Directed Electronics 7900 Owner's Manual

diagnostics

The microprocessor at the heart of your system is constantly moni-
toring all of the switches and sensors connected to it. It is designed
to detect any faulty switches and sensors and prevents them from
disabling the entire system. The microprocessor will record and
report any triggers that occurred during your absence.
arming diagnostics
Each time this system is armed it runs a diagnostic routine to test for
active alarm inputs. If inputs are active when arming, it will bypass
the input and report the bypass to the user as described under active
arming in the using your system section.
The status led will also flash the same number of times as the bypassed
input as a visual indicator.
When the input returns to the inactive state, the system will begin
monitoring it for an alarm trigger input.
This feature assures that the vehicle will always be armed and protected
by the maximum available number of alarm inputs.
disarming diagnostics
If any alarm inputs were triggered while armed, it will be reported to
the user during the disarming operation as described under Disarm
after trigger in the using your system section.
The status led will also flash the same number of times as the trig-
gered input as a visual indicator.
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