USER INSTRUCTIONS
BACK
Car Alarm
System
Thatcham M.I.R.R.C. Evaluation No:
TC2-1102/0200
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Cobra 8165 User Instructions
The Cobra 8165 Alarm System MUST be fitted with a previously installed Category 2
MIRRC listed immobiliser to obtain Category 1 status for the vehicle’s security systems.
If there is not a Category 2 Thatcham listed immobiliser fitted along with associated
VSIB Installation Certificate, Category 1 status cannot be claimed on fitment of the alarm.
Existing Immobiliser Make/Model:
Thatcham MIRRC Evaluation No:
IMPORTANT WARNING
The Cobra 8165 immobiliser system is a Category 2Ý1 MIRRC Thatcham listed security
system. If the installation of this product is modified or altered from the standard
specifications, or non compliant accessories are fitted, insurance approval will be
invalidated.
User Instructions
Congratulations on purchasing a Cobra
8165 Alarm System. It has been
designed and manufactured to the highest
standards utilising the latest S.M.D.
technology for total reliability.
system and we recommend that you read
the complete instruction booklet to ensure
trouble free operation. Also for your
added safety, each system contains
circuitry to ensure the alarm cannot be
switched on when the vehicle's engine is
running. Your Cobra Dealer will be
pleased to clarify any queries you may
have with the system or its operation.
All round protection is ensured with:-
1. Passenger compartment protection
usingultrasonic sensors or optional
microwave sensor.
Even when using your Cobra 8165 Alarm
System we would suggest the following
additional precautions:-
2. Peripheral protection to doors, boot
and bonnet using direct contact
switches.
l Avoid leaving valuable belongings in
3. Personal protection - remote control
‘panic' button on radio keys.
the car particularly if they are on view.
l Never leave Registration or Insurance
4. Engine immobilisation - operates
immediately the system is armed
(Optional).
Documents in the car.
l Never leave spare keys in the car.
l Always try to park in a well lit and safe
Many of the security functions are
integrated with your vehicle's electrical
area.
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PIN Code
Each Cobra 8165 Alarm System has a unique PIN code which can be used for Emergency
Disarm and is required, together with one of the emergency override touch keys, for
programming replacement or additional radio keys.
Your PIN code is given on the card supplied with your Cobra 8165 Alarm System together
with the serial number of the system itself. Please keep this card in a secure place - not in
the car - and also make a note of these numbers for any second driver’s use.
Without the PIN code and emergency override touch key no additional or replacement
radio keys can be programmed into the system.
Button Button
Radio Keys
Radio Key Function
‘A'
‘B'
The security system is operated by remote
control radio keys. Two radio keys are
supplied with each Cobra 8165 Alarm
System. Always press the button for a full
ONE SECOND to allow the whole code to be
transmitted. The small LED on the radio key
will flash whilst the button is held down.
The Radio Keys should normally operate up
to 5 metres from the car but range can be
affected by other radio signals in the vicinity.
Arm
Disarm
Siren Interrupt
Panic Alarm
Ultrasonic Sensor exclusion
(within 20 seconds of arming)
Optional Microwave Sensor
exclusion (press twice
within 20 seconds of arming)
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The Radio Keys are powered by a long life 3v Lithium battery
(type CR2032 or equivalent). With normal usage a new
battery should last between 3 and 5 years. Replacement
batteries can be obtained from your Cobra Dealer.
Low Radio Key Battery Indication
If the small LED on the radio key flashes irregularly or only
once when the operating key is pressed, instead of flashing
continuously, this indicates a low battery.
Battery
Replacement
1. Open the case as shown in
the diagram - levering the
two sides apart in the area
marked OPEN on the key
case.
2. Remove the old battery as
shown.
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l Up to four Emergency Override Touch
Keys can be programmed into each
Cobra 8165 Alarm System.
3. Wait for 10 seconds before inserting
the new battery, ensuring the correct
polarity (+ sign upwards) and holding
the battery by the edge.
Additional/Replacement
Radio Keys
4. Close the case firmly making sure
locating studs are correctly positioned
to ensure a waterproof seal is made.
The radio keys for your Cobra 8165 Alarm
System have a ‘protected self-learning'
feature which allows up to four Radio Keys
to be programmed into your system by
using its unique PIN code in conjunction
with the electronic touch keys.
5. The remote key should now operate
normally, but it may require re-
synchronisation with the main control
unit.
Testing Remote Key &
Re-synchronisation
All existing radio keys and touch keys
must be re-programmed at the same time
as any additional or replacement keys are
being introduced to the system. Your
Cobra Dealer will be able to carry out this
procedure for you.
If, at any time, the remote key does not
operate the system, stand close to the car
and press and hold down both buttons
until the LED on the remote key goes out -
approximately 10 seconds. Release both
buttons - the LED will come on constantly.
Then press button ‘A' for approximately 1
second - the LED will flash - this should
complete re-synchronisation. In case of
difficulties please consult your Cobra
Dealer.
Arming the System
Radio Key - pressing the operating button
‘A' will arm the system, indicated by:-
1. Two flashes of the vehicle's hazard lights.
2. Continuous flashing of the LED
warning light.
3. Simultaneous locking of all doors.
Optional Emergency
Override Touch Key
l Immediately the alarm unit is switched
ON (‘armed') the vehicle is immobilised
(optional).
The emergency override touch key can be
used to disarm/de-immobilise your Cobra
8165 Alarm System in the event of lost or
damaged radio keys. If your car is locked
use your door key to enter the car and
touch the Emergency Override Touch Key
on the contacts of the touch receptacle -
this will disarm and de-immobilise the
security system if this optional feature has
been selected. If the system was fully
‘armed' the siren will sound until
After switching ON (‘armed') a period of
approximately 45 seconds will elapse
before the system is fully active. (This is a
‘setting-up' and ‘test period').
When the alarm is fully active it will be
triggered by:-
1. Opening a door, boot or bonnet (Direct
Contact Switches).
disarming has taken place. The car can
then be started in the normal way.
2. Movement within the vehicle
(Ultrasonic or optional Microwave).
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3. Turning on the ignition.
please consult your Cobra dealer in case of
any difficulties.
When triggered the Electronic Siren will
sound at 118dB and the hazard lights will
flash for 30 seconds - at the end of this
period the system will close down and
automatically re-set to provide protection
against a further attempt by an intruder to
enter the vehicle.
This display is extinguished when the
ignition is turned on.
Siren Interrupt
Pressing button ‘A' whilst the siren is
sounding will turn the siren off. The Alarm
System ‘status' - i.e. ‘armed' - will not be
changed.
Disarming the System
On return to the vehicle, pressing
operating button ‘A' on the radio key will
disarm the system. This is indicated by:-
Panic Alarm/
Personal Protection
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.
Pressing the auxiliary button ‘B' will sound
the siren for 15 seconds whether the alarm
system is in the ‘armed' or ‘disarmed' 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'.
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:-
Volumetric Protection
Exclusion
Ultrasonic Sensor:
Single pulse flashing of LED: One
alarm state caused by opening of the
boot, bonnet or doors.
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
Twin pulse flashing of LED: One
alarm state triggered by optional
microwave sensor.
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.
Triple pulse flashing of LED: Alarm
state triggered by the ultrasonic
sensor or glass break.
Quadruple flash repeated regularly:
Alarm state caused by an attempt to
start the car.
Microwave Sensor:
To arm the system without utilising the
microwave sensor, press the operating
button ‘A' in the normal way and press
button ‘B' twice within 20 seconds.
Note: This display can also show multiple
triggering and other system diagnostics -
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Trouble Shooting
Checking the Alarm
System
Your Cobra 8165 Alarm System has been
installed by a fully trained technician. In
the unlikely event of a problem occurring
with it please contact your Cobra Dealer
for assistance. If this is not immediately
possible the following notes may be of
help:-
You should check your Cobra 8165 Alarm
System on a regular basis - once a week is
recommended.
1. Direct Contact Check - Arm the system
and exclude the ultrasonic sensors -
wait 45 seconds.
Symptom: Radio Key will not ‘arm' or
disarm' system.
l Opening any of the vehicle doors, boot
or bonnet will trigger the system and
the siren will sound. Disarm the system
from the radio key and repeat the
process for each door, boot and
bonnet.
l The Radio Key battery may be flat (see
notes on Low Battery Indication and
Changing Battery).
Symptom: The radio key may require re-
synchronisation.
l See Testing the Remote Key and Re-
synchronisation section.
2. Ultrasonic and Hyperfrequency
Volumetric Sensor Check - Whilst
remaining seated in the car with doors
and windows closed - Arm the system
and wait 45 seconds.
Symptom: Alarm has triggered for no
apparent reason.
l When you ‘disarm' the alarm the
diagnostics code will be displayed by
the LED warning light. If direct contact
triggering is indicated then switches in
doors, boot or bonnet may need
l Rapid movement of your arms should
trigger the system. Disarm in the
normal way.
adjusting - please consult your Dealer.
If showing Ultrasonic or Hyperfrequency
triggering please check that all
windows, sunroof and air vents are
closed and ensure that there are no
loose moving objects (or animals) left
in the vehicle. If the problem persists
contact your Cobra Dealer for assistance.
If at any time your alarm does not appear
to be operating correctly please refer to the
‘Trouble Shooting' section or, if in any
doubt, contact your Cobra Dealer.
Pt. No. 908 018
Rev. 08/01
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