Car alarm CA-340 “Nestor”
Car alarm CA-340 “Nestor”
functions, controls

The CA-340 car alarm is intended for installation inside a vehicle with a 12 or 24V
power supply and negative ground. It is protected against the reversal of poles and
overvoltage, the activation inputs are protected against short circuit and voltage
induction.

Car alarm function overview
If the car alarm is controlled with original remote controls, the currently
active alarm can be terminated by unlocking the vehicle using the remote
control. The car alarm is concurrently disarmed.
When the car alarm is controlled with an RC-8x remote control, pressing
the
 A built-in shock detector with adjustable sensitivity controlled with a trimmer
inside the unit. Its activation can trigger a warning (1s siren chirp), trigger an
alarm or do both. If an alarm function is set, the unit uses a filter eliminating
accidental shocks (e.g. caused by a heavy vehicle passing by …). The alarm
is triggered only when the first shock is followed by another within 15 seconds.
If both the siren and the alarm are set, the first shock triggers a short siren
chirp and the second shock (within 15 s) triggers the alarm.
 A voltage drop detector registers sudden voltage drops caused by an
appliance which switches on when the alarm is armed (protection against a
mechanical breach of the central locking system). The detector is blocked for
20 minutes after arming (allows the radiator cooling fan to wind down). You
can also program it to remain switched off permanently if you use independent
appliances in the car (heater, refrigerator).
 The car alarm is equipped with several contact sensors, whose number
depends on how the alarm is connected (see below).
 Up to 8 JA-8x wireless detectors can be enrolled to the car alarm. These
can be used to detect motion inside the vehicle or the breaking of windows or
to guard the garage in which the vehicle is parked.
 A programmable output which can trigger the power supply to auxiliary
detectors (microwave, tilt) that are activated when the alarm is armed or it can
provide a signal for the controlling of a CR-11A (AUX) module.
 The immobiliser circuit can be used to immobilize the ignition, the fuel pump
or the ignition circuit. When the AUTOIMO function is active, the immobiliser is
activated automatically if the ignition key is switched off for more than 5
minutes. The AUTOIMO can be switched off by a remote control button.
 When an alarm is triggered, a siren is activated for 30s. When the alarm is
terminated in a regular way, the siren is switched off immediately.
 The siren can also be used for the acoustic confirmation of arming and
disarming (optional parameter). For other functions, see Acoustic signaling.
 When you leave your vehicle in a car servicing company for maintenance,
the AUTOIMO function and the acoustic signaling can easily be temporarily
disabled.
 Optical signaling of arming, disarming and alarms. The car alarm can
control the direction indicators (flashers) in three optional modes.
 Boot opening. When the alarm is armed, you can use a remote control to
open the car boot if its mechanism allows it. (The BLK output function must be
set to control the boot)
 PANIC is a function which allows triggering a siren with a remote control both
in an armed and an unarmed state (by pressing both buttons at the same
time). It can also help you find your vehicle quickly in a crowded car park.
 The car alarm is equipped with a Valet button for emergency disarming. The
button can also serve for the setting of optional parameters.
 The information concerning operating status of the alarm is signaled with an
LED.
 The car alarm settings and parameters can be changed easily using the
CA-340PRG wireless module connected to a computer.
or
keys can terminate the currently active alarm. Pressing the
key again disarms the alarm.
Emergency disarming – if the remote control gets lost or is faulty, the car
alarm can be disarmed by pressing the hidden Valet button as follows:
Open the car doors (triggers an alarm), switch on the ignition key and press the
Valet button. The emergency disarming can be disabled (parameter 4).
LED visual signaling
The LED indicates the alarm status as follows:
the LED is off
- the car alarm is unarmed
permanently lit
- exit delay in progress
regular short flashes
- the car alarm is armed
rapid flashing
- entrance delay in progress
regular short fading
- AUTOIMO function activated
When the ignition key is switched on, the LED indicates the number of enrolled
RC-8x controllers.
Three alarm chirps during unarming indicate that there has been an alarm
since the last setting. When you turn on the ignition key, the LED then indicates
the cause of the alarm. The signaling is repeated 5 times. The number of flashes
indicates the sensor which triggered the alarm:
1 flash - the door sensor (DOOR) was activated
2 flashes - the INP1 sensor was activated
3 flashes - the INP2 sensor was activated
4 flashes - the INP3 sensor was activated
5 flashes – the voltage drop sensor (an appliance was switched on)
6 flashes – shock detector alarm
7 flashes – the ignition key was switched on in an armed state
1 to 8 fadings – wireless detector (according to the order in which it is enrolled)
The cause of the last two alarms can be viewed retroactively. If you press the
Valet button when the ignition key is on, the LED indicates the cause of the last
alarm 10 times successively. If you press the Valet button again during the
signaling, the cause of the previous alarm is also shown ten times. The indication
is terminated when the ignition key is switched off.
Acoustic signaling
Setting: 1 chirp *
Partial arming: two quick chirps
Unarming: 2 chirps *
Unarming after an alarm: 3 chirps
* can be disabled by setting partial acoustic signaling
Fault signaling:
 When armed, the car alarm tests the sensors for approx. 6s. If any of the
sensors is activated during this period of time (e.g. due to an improperly closed
door) it is signaled with 4 quick chirps. The alarm is armed but the sensor
which remained active is disconnected (it can react only when it is deactivated
again –the door is closed, etc.)
 If a CA-340 SIR wireless antenna is installed, then the activation of the engine
compartment switch is signaled with 5 quick chirps.
 If the alarm emits 6 quick chirps, it signals that the battery in one of the wireless
detectors is low. When the ignition key is switched on, it is possible to find out
which detector it is according to the fading of the LED (1 to 8 – pursuant to the
order in which the detectors are enrolled).
Car alarm controls
The car alarm can be armed by locking the vehicle with the original remote
control or by pressing the
key on the RC-8x remote control (depending on the
means of connection).
Partial setting. When the setting key is pressed repeatedly during the exit
delay (20s after the alarm setting) the shock and voltage drop detectors and
wireless detectors guarding the inside of the vehicle are disabled. NOTE: this
function is not available when the car alarm is connected for controlling with the
original remote control without using a CAN-Bus (= AL1 input is set to confirm
arming and disarming)
The car alarm can be disarmed by unlocking the vehicle with the original
Temporary silent control and disabling of the
AUTOIMO
If it is necessary due to any reason (putting the vehicle in a car servicing
company for maintenance, holiday) the acoustic signaling and AUTOIMO
function can easily be temporarily disabled by switching off the ignition key
while holding the Valet button. It is confirmed with an acoustic signal. These
functions can be enabled again in the same way, on condition that they are
not disabled permanently in the settings.
remote control or by pressing the key on the RC-8x remote control (depending
on the means of connection).
Rearming function If the car alarm is unarmed and no sensor is activated
within one minute (no one gets into the car), the alarm is armed again. If the alarm
controls the central locking system, the vehicle is locked simultaneously. This
function can be set by parameter 2 (REARM).
Boot opening. The car booth can be opened by pressing both remote control
buttons (the availability of this function depends on the means of installation).
Maintenance
The device does not require any special maintenance. We recommend regular
inspections of door and bonnet contact functioning, or possibly of the auxiliary
detectors. This inspection should be performed by a professional installer with
whom regular annual inspections should be arranged.
Alarm
When armed, the car alarm checks the DOOR contact switches, INP1, INP2,
INP3 sensors where boot, bonnet or other detectors can be connected and
manipulation with the ignition key. It also reacts to the activation of the integrated
shock detector, voltage drop and enrolled wireless detectors. The wireless detectors
can be set to a 20s entrance delay (see the detector manual). If any of the alarm
sensors are activated in the period of guarding, a 30s alarm is triggered. When the
alarm has finished, the car alarm remains active.
CA-340 modular car alarm
1/4
VAV50204
Car alarm CA-340 “Nestor”
installation
We recommend having the car alarm installed by an authorized service company.
Improper installation can result in damage to your vehicle. The car alarm
manufacturer shall not be held responsible for any damage caused by incorrect
installation or misuse of the product.
4.
The immobilizer relay contact of car alarm is connected only in disarmed
mode and if the ignition is on. Do not block circuits that are under voltage
while the ignition is off. It could cause a serious damage of the vehicle.
The SIR output switches power supply. If is installation with 24V power
supply there must be used the siren type SA-606-24V or other type for 24V
instead of standard packaged siren.
5.
First, disconnect the car battery. Nobody should be inside a vehicle equipped with
airbags during the manipulation of the battery (disconnecting, connecting). Keep in
mind that some devices equipped with a memory can be erased when the battery is
disconnected.
Attach the newly installed wires to the original bundles. When making connections
use a crimping tool fit for this purpose. If possible, avoid drilling into metal parts during
installation. If you have to drill any holes, make sure you avoid damaging any other
parts of the vehicle. The basic car alarm unit is suitable for installation in the
passenger compartment (the best position would be under the dashboard).
6.
7.
The car alarm functions can be set comfortably using the CA-340PRG wireless
programming module.
8.
Car alarm connector description
9.
to internal detector enrolment. Switching off the ignition key for more than 3 s
terminates the programming mode (the siren emits two short chirps).
Enrolment of detectors installed in the vehicle* (internal ones). This group
includes detectors guarding the interior of the vehicle (not if the alarm is armed
partially). If a remote control is enrolled in this group, it can be used to trigger a
PANIC alarm. Internal detectors can be erased by switching off the ignition key for
a short time. Press the Valet button to continue to external detector enrolment.
Switching off the ignition key for more than 3 s terminates the programming mode
(the siren emits two short chirps).
Enrolment of external detectors* (guarding of a garage). Detectors in this
group are active both during partial and complete arming. The JA-80A wireless
siren can also be enrolled here. External detectors can be erased by switching off
the ignition key for a short time. A maximum of 8 detectors can be enrolled. Press
the Valet button to continue to optional parameter setting pursuant to the following
article. Switching off the ignition key for more than 3s terminates the programming
mode (the siren emits two short chirps).
Now you can set the first parameter. The parameter setting is signaled with an
LED (on / off). Changes can be performed by switching off the ignition key for a
short time (no longer than 3 s).
Press the Valet button to go on to the next parameter. The number of siren chirps
indicates the parameter which you are currently setting. The tenth parameter is
signaled with a long siren chirp, while from the eleventh parameter onwards the
siren signals only parameter units (e.g. 11= 1 chirp, etc).
Switching off the ignition key for more than 3s terminates the programming mode
without saving (the siren emits two short chirps).
To save your settings you have to go through all 18 parameters. When the last
parameter has been set, press the Valet button once more. The termination of the
mode is confirmed with a long chirp of the siren.
* PLEASE NOTE! Enrolling the first device erases all previously enrolled devices in the
given group (you should therefore gradually enroll all devices which you want to use)
Wireless components of the OASIS system
 It is possible to use motion detectors, glass break detectors and magnetic
detectors (JA-85P, JA-85B, JA-81M) to guard the vehicle interior or a garage. The
maximum of 8 detectors can be enrolled. A low battery in a detector is signaled
with its LED, the car alarm LED and also with a siren when the system is armed.
 The CA-340SIR wireless siren with the bonnet contact input can be installed in
the engine compartment, so that it is not necessary to install the wires in the
vehicle interior.
 The alarm can also be signaled via JA-80A and JA-80L internal wireless sirens.
(when using JA-80A you have to take into account that there is a delay depending
on the jumper setting in the siren)
 The alarm can be enrolled to the OASIS electronic home security system as a
detector.
 Wireless detectors have a tamper contact. Manipulation with detectors (when
changing batteries) is thus possible only if the ignition key is switched on and the
car alarm is unarmed. Otherwise alarm is triggered.
For more detailed information concerning wireless components for the guarding of
objects go to www.jablotron.com.
Wire functions
GND black – connect to the negative pole of the power supply.
+12V / +24V red – connect to the positive pole of the power supply. Protected with a
built-in fuse.
SIR
yellow
–
siren
output, the
maximum
current
is
1.5A.
If there is a short circuit or current overload, the output is disconnected. Reconnection
is possible only with another activation of the output.
BLK 2x violet – direction indicator relay or boot bounce control.
IMO 2x brown – immobilizer relay contact
ULK white and blue – central locking alarm input / output – unlocking signal. As an
input it reacts to the connection or disconnection of GND. If it has an output function, it
reacts to the connection of GND.
LCK black and white – central locking alarm input / output – locking signal. As an
input it reacts to the connection or disconnection of GND. If it has an output function, it
reacts to the connection of GND.
Technical specifications
Power supply voltage
Stand-by curent consumption
TRX frequency switching range
Transmitter power
Operational temperature range
SIR output
Alarm duration
Immobilizer circuit current
BLK relay circuit current
PGM output current
ULK/LCK output current
Enclosure (EN 60529)
Dimensions
Complies with:
ECE regulation
RTTE directive
Safety
EMC
Radio interference
Can be operated according to
LED green – positive output of the LED.
VAL green and black – connection of the Valet setting button
AUX pink – output providing power supply to auxiliary detectors (12V) or CR-11
module control output.
Its function is set with programming parameter 11 (see the table below).
KEY blue – ignition key input, alarm input. Reacts to +12/24V induction.
DOOR grey – door switch input, reacts to the connection to GND (it has optional
activation polarity if set for RC-8x remote control).
INP1 white – alarm input (reacts to the connection to GND) or direction indicator
signal input (reacts to the disconnection from GND). Its function is determined by the
connection and setting as mentioned below.
INP2 yellow and white – alarm input, optional activation polarity, optional reaction.
INP3 white and green – alarm input, reacts to the connection to GND.
Programmable functions
The car alarm offers optional function parameters (see the table) which can be set
in the programming mode. Entering the programming mode:
1. Press the Valet button and hold it for 4 – 6 s and then switch on the ignition key
Entering the programming mode is confirmed with two long chirps of the siren. The
alarm concurrently transmits its “enrolment code“.
2. It is then necessary to select between optional parameter setting and the
enrolment of wireless detectors. Press the Valet button to enter optional
parameter setting and then follow section 6. If you want to enter the wireless
device enrolment mode, switch off the ignition key (within 2 s). Then follow
Section 3.
3. Now you can enroll the RC-8x remote controls * (max. 4). The remote controls
No. 97.01
1999/5/EC
EN 60950-1
ISO 7637, ISO 11452, CISPR-12
ETSI EN 300 220
ERC REC 70-03
E8
97 R A-01 5862
JABLOTRON ALARMS Inc. hereby declares that the CA-340 is in compliance
with the essential requirements and other relevant provisions of ECE
Regulation No. 97.01, Directive 1999/5/EC and 1995/56/EC The original of
the conformity assessment can be found at www.jablotron.com, Technical
Support section
Note: Although this product does not contain any harmful materials we suggest you
return the product to the dealer or directly to the producer after use.
can be enrolled by pressing both
and
keys simultaneously for approx. 3 s.
The enrolment is confirmed with a siren chirp. All remote controls can be erased
by switching off the ignition key for a short time. Press the Valet button to continue
CA-340 modular car alarm
12/24 V (9 – 32)V DC
11 mA
1 RF channel 868,5 MHz
< 25 mW
-40 to +85°C
+12V (24V), max. load 1.5 A
30 s
8 A cont., 12 A intermittent
8 A cont., 12 A intermittent
25 mA
200 mA
IP30
118 x 80 x 35 mm
2/4
VAV50204
Connection without a CAN-Bus converter,
controlling with RC-8x remote controls
Profile 1 – controls the central locking


= LED on
= LED off
parameter
1
Central lock
control
Yes, ULK and LCK wires control the locks in the
vehicle

(this setting defines the function of parameters
12,13,14)
Connection pursuant to Fig 1, setting pursuant to profile 1. The values
shown in the table in bold letters are the default ones The profile is defined by
parameter 1 setting.
A description of individual wire functions is available on page 2.
Vehicle status information is obtained via direct connection to the ignition
circuit and door, bonnet and boot switches. A thus connected car alarm can
control the central locking of the vehicle. It is possible to set an extended
locking impulse which can be used to close the windows of certain vehicle
types after arming.
2 Rearm

Yes

No
3 Autoimo

Yes

No
Disarming with the

Yes
4 Valet button
Yes
5 Acoustic signaling 

No
Increased volume

Yes
of signaling

No
7 Open door test

Yes

No
8 Voltage detector

Yes

No
9 Shock warning

Yes

No
Setting pursuant to profile 1.
Information about the vehicle status (ignition key, door, bonnet, boot) is
obtained via a CAN-Bus converter.
NOTE: The converter cannot be used to control the central locking of the
vehicle.

No
Direction indicator (flasher) connection

AUX bus output
Optical signaling of arming, disarming and alarm is possible in three modes.
 Direct connection to the light bulb circuits. Connection pursuant to Fig. 1.
The power supply is directed to the relay contact via a 15A fuse. The contact
output is forked using diodes and it is then connected to the left and right
direction indicator light.
 Connection via a warning light switch, pursuant to Fig. 2. When this
option is selected, the INP1 input always has a feedback function (counting
the flashes) and it has to be connected to a direction indicator light power
circuit. It is therefore not possible to use this optical signaling when the alarm
is controlled with the original remote control without using a CAN-Bus
converter (this option is superior to the setting parameter 12 of profile 2, INP1
then has no function for confirmation of disarming or alarm input). The
flashing can then be controlled with the following options:

„switch“ – the relay is switched if the direction indicator lights
should flash

„button“ - the relay gives an impulse to begin and finish flashing
6
10 Shock alarm
11
AUX output
function
12 CL input length
13
14
15
16
Extended lock
impulse length
DOOR input
activation
INP2 input
activation
INP2 input
reaction
17 BLK output
18
function

Yes
EXT detector

supply
power

0,5 sec

4 sec

Yes ( 60 sec.)


Ground

Ground disconnection

Ground

Ground disconnection

Alarm

Boot
control

CA-340 modular car alarm
Connection with a CAN-Bus converter,
controlling with RC-8x remote controls

Partial
No (length pursuant
to parameter 12 )

warning
Direct
Direction 
Direction


direction
indicator
indicator
indicator 
control
control


control
switch
button
3/4
VAV50204
Profile 2 – controlling with an original remote control


= LED on
= LED off
parameter
Connection with a CAN-Bus converter,
controlling with the original remote
controls
no, the alarm is controlled with ULK and LCK
inputs ( this setting defines the function of
1 Central lock control 
parameters 12,13,14)
Connection pursuant to Fig 2, settings pursuant to profile 2. The values
shown in the table in bold letters are the default ones The profile is defined by
parameter 1 setting.
A thus connected car alarm obtains vehicle status information (ignition key,
vehicle locking and unlocking, door, bonnet and boot opening) via the CANBus converter. The INP1 input can be used as an alarm input for auxiliary
detectors. If the vehicle is not equipped with e.g. a bonnet switch, it is possible
to disconnect the corresponding input from the MCB-01 converter and use it
for direct connection of an additionally installed switch. If RC-8x controllers are
enrolled in this control mode, they can be used to disarm and arm the alarm,
but they will not unlock or lock the vehicle. If necessary, the vehicle unlocking
and locking impulses can be generated using the CR-11A module.

Yes

No
3 Autoimo

Yes

No
Disarming with the

Yes
Valet button
Yes
Acoustic signaling 
Increased volume

Yes
of signaling

No
7 Open door test

Yes

No
8 Voltage detector

Yes

No
9 Shock warning

Yes

No
4
5
6
Connection without a CAN-Bus converter,
controlling with original remote controls
10 Shock alarm
The principle is similar to that in Fig 2, setting pursuant to profile 2, the
vehicle status information is obtained via a direct connection to the central
locking of the vehicle, switches and ignition circuit. In this case the INP1 input
is used to confirm arming and disarming (direction indicator lights flashing).
When you use the direction indicator lights to confirm unarming, they
cannot concurrently be controlled with the car alarm.
A thus connected car alarm monitors the status of the central locking. If the
vehicle is locked and the direction indicator lights flash concurrently (pursuant
to parameter 13 setting), the car alarm is armed. If the vehicle is unlocked and
the direction indicator lights flash concurrently, the car alarm is unarmed. The
flashing of the direction indicator lights is always required for the disarming of
the car alarm. If, therefore, the doors are unlocked with a lock (not confirmed
with direction indicator lights), the car alarm is not unarmed and an alarm is
triggered. If RC-8x controllers are enrolled in this control mode, they can be
used to disarm and arm the alarm, but they will not unlock or lock the vehicle.
If necessary, the vehicle unlocking and locking impulses can be generated
using the CR-11A module.
CA-340 modular car alarm
2 Rearm
11
AUX output
function

partial

No

Yes

No
EXT sensor

supply
Alarm input
12 INP1 input function 
15
18
4/4
Disarming / arming
confirmation


Yes

No
ULK and LCK
input activation
INP2 input
activation

Ground

Ground disconnection

Ground

Ground disconnection
Alarm
16 INP2 input reaction 
17

AUX bus output
Arming
13 confirmation
14
power
BLK output
reaction

Boot
control


Warning
Direct
Direction 
Direction


direction
indicator
indicator
indicator 
control
control


control
switch
button
VAV50204
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