Cobra Electronics 7928 Automobile Alarm User Manual


 
Volumetric Protection
Exclusion
Illuminated Entry
Panic Alarm/
Personal Protection
period the system will close down and
automatically re-set to provide protection
against a further attempt by an intruder to
enter the vehicle.
On return to the vehicle, pressing
operating button A' on the radio key will
disarm the system. This is indicated by:-
1. One flash of the hazard warning lights.
Note: If the system has been triggered
during your absence the hazard lights will
flash 4 times and the buzzer will sound 4
times.
2. Extinguishing of the LED warning light
- see note.
3. Unlocking of all doors.
Note: If the alarm has been triggered in
your absence a status history' will be
displayed by the LED warning light and is
indicated as follows:-
Single pulse flashing of LED: One
alarm state caused by opening of the
boot, bonnet or doors.
Twin pulse flashing of LED: One
alarm state triggered by accessory
hyperfrequency radar sensors
(7928HF).
Triple pulse flashing of LED: Alarm
state triggered by the ultrasonic
sensor or optional glass break (7928).
Quadruple flash repeated regularly:
Alarm state caused by an attempt to
start the car.
Note: This display can also show multiple
triggering and other system diagnostics -
please consult your Cobra dealer in case of
any difficulties.
This display is extinguished when the
ignition is turned on.
Pressing button A' whilst the siren is
sounding will turn the siren off. The Alarm
System status' - i.e. armed' - will not be
changed.
Pressing the auxiliary button B' will sound
the siren for 10 seconds when the alarm
system is in the armed' state.
Note: This function will not be operational
during the 40 seconds set-up time
required for the system to become fully
active after it has been armed'.
Ultrasonic Sensor (7928):
To arm the system without utilising the
Ultrasonic interior sensor, press the
operating button A' in the normal way
then, within 20 seconds, press the
auxiliary button B'. This allows all other
protection circuits to remain active whilst
windows can be left partially open (for a
dog inside the vehicle etc.). This command
is indicated by a beep' from the siren.
On disarm the system will switch ON the
courtesy light for 30 seconds, or until the
ignition is switched ON.
Disarming the System
Siren Interrupt
4