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Car alarm CA-320 / CA-321 „Accent“ 

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MDF59500

 

Car alarm CA-320 / CA-321 „Accent“ 

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MDF59500

 

 

WHITE/BLACK = Lock, WHITE/BLUE = Unlock 

- these wires provide 

signals to control the central door lock system. The maximum output 
current for either of these lines is 300mA. NPN transistors switching to the 
GND are on the output of these lines. The duration of output pulses is 
programmable (0.3sec. factory default). Connect the wires from the 
„Accent“

 

to the inputs of the central locking system control unit. 

If the car has powered windows with a “close all windows” button you 

can use the „Lock“

 

signal to close all the windows. In this case, select 

the longer “Locking Signal“ in the setting mode

  

This way the car alarm 

will lock the doors and will close all windows if button 

 is used for 

arming and it will only lock the doors if button 

 is used. 

Do NOT connect the wires from the car alarm directly to the 

actuators! See "Examples of Accent use for different central locking 
systems" if your locking system uses another type of control signals. If 
you are also going to install a central locking system in your car, we 
recommend the CL-20A. 

 

BLUE = Ignition Key Input

 - connect the blue wire to the ignition key 

switch (+12V when ignition is ON). This signal will prevent accidental 
arming of the alarm while driving and resets the alarm memory. It will also 
trigger an alarm if someone switches ON the ignition without first 
disarming the car alarm. This signal is also used for other functions 
(REARM, AUTOIMMO, Alarm Memory reading, etc.). 

Note: Be sure, that +12V is also present, when a starter is used. 

 

GRAY = Door Switches 

input, Dome Light Control output - is 

a negative alarm trigger input. It also functions as the dome light 
control output. Connect this wire to the door switches (we recommend 
to have switches installed in all doors). When a door opens, and the 
central control unit is armed the alarm will be triggered. With the 
system is disarmed, opening the door turns on the interior dome light 
till the ignition key is switched on (max. 1 minute).  
NOTE: The maximum load of the interior light can be 10W. 

 

WHITE = AL1 Alarm Negative Trigger 

input will generate an alarm if 

grounded. It can be used for any additional detector. 

 

YELLOW/WHITE = AL2 Trigger 

input has selectable trigger logic (can 

be activated when connected to ground or when disconnected from the 
ground). The kind of reaction (Alarm or Warning) can be customized for 
this input in setting mode. An additional sensor can be connected to 
this wire. 

 

Note: each of the above inputs can only trigger alarms a maximum of 
three times during each arming period. 

 

YELLOW = Siren

 - is the siren  output (+12V, max. 1.2A). Mount the 

siren in the engine compartment, with its negative pole to ground. 
Connect the positive pole of the siren to this wire. 

Notice : No additional siren can be connected to the car alarm siren 

output. 

 

VIOLET = Turn Indicators

 - the two violet wires provide power for the left 

and right turn indicators. Each wire provides 12V, 5A pulses to the lights 
as a visual indication of arming, disarming and alarm triggering. Connect 
one of the violet wires to the left turn light and the other violet wire to the 
right turn light. These two wires also work as inputs to disable the built-in 
current sensor. The car alarm can be armed even if the flashing 
emergency lights are ON (flashing of all turn indicators).

 

Immobilization

 - the six wires in a separate connector are the three 

built-in immobilization contacts’ leads. Each wire is marked by 
a number on its end (remove the numbers after installation). The 
following wires are connected by internal relay contacts inside: 1-3, 
2-4, 5-6. The starter, fuel pump, ignition or any other system that when 
electrically disconnected will render your car inoperative, may be 
connected here. Only disarming the alarm and switching ON the key in 
the ignition closes the contacts. These contacts will operate correctly 
for permanent load up to 15A, max. 20A for 30 seconds (each). 

AUX (pink wire)

 - data bus input/output. It can be used for connection 

of CR-11 expansion relay module. 

 

Adding of a new remote controller 

There are two remote controllers in each „Accent“ car alarm set. The car 
alarm can be operated with a maximum of three remote controllers. To add 
an additional remote control or to replace an original one (in the case one is 
lost) perform the following procedure: 

Switch on the ignition key when car alarm is disarmed and press the hidden 

VALET button five times (in 1 minute from the moment when you turned on 
the ignition). The siren will make two long signals and the LED will light 
continuously. The control unit is now in remote control learning mode. 

You must activate all remote controls (one by one, button 

 or 

which you want accepted by the car alarm. The control unit will store 
codes in its memory (confirmed by a LED flash and for a brand new 
code also by siren chirp).  

Keep in mind that only three controllers can be taught to the car alarm. 

If you try to teach a fourth controller, the first one will be forgotten and so 
on. If you activate only one controller in learning mode, you will be able to 
control the car alarm only with this one controller. 

To close learning mode

, switch off the ignition key. You can see how 

many remote controls are available for your car alarm by number of 
LED flashes every time when you switch on the ignition key. 

 

Setting mode 

Optional functions can be modified. To enter the setting mode perform 
the following procedure: 

 

 press the hidden VALET button switch when the car alarm is 

disarmed and hold it pressed 

  after 5 seconds (or more) switch on the ignition key  

  the siren will make two long and one short signals and the LED will 

light continuously  

  release the VALET button; the car alarm is now in setting mode 

 

Now you can make setting; see the following table (you are in row 

no. 1). Setting of the parameter is indicated by LED and can be 

changed by a remote control button (

 or 

), each short pressing 

will change the parameter (on - off - on - off - etc.). Bold printed 
parameters are factory default settings.  

To select next parameter (next row in the table), press VALET button 

quickly. The siren will confirm parameter (row) number by the number 
of signals. Step by step go through all parameters. When you are on 
parameter number 13, the next VALET button pressing will store all the 
programming to the memory and the setting mode will be exited 
(confirmed by the siren with a long signal). If you switch the ignition key 
off any time before the setting mode is completed, the setting mode will 
be terminated and no changes will be stored. 

Note: All data is stored to EEPROM memory, so removing power from 
the car alarm will not change them.  

 

 

If your locking system needs another kind of control signal than 

negative pulses, install a couple of over-switching relays to the „Accent“ 
outputs (or you can use CR-2 relay unit). See following diagrams for 
different locking systems.  
 

System  with positive control inputs: 

 

 

Pneumatic central locking system: 

Program duration of output pulses 2 or 4 seconds according to the 
reaction time of the pneumatic system. 

 

 

 

Simplified additional installation of central locking system: 

When manual operation of the whole system from the driver's door is 
not requested,  you can use the following  easy solution. Install two-
wires actuator (recommended type CM-2) to each door of your car. 
Connect them as shown in the following diagram. Program duration of 
Accent output pulses 0.3 seconds. This way all actuators are operated 
with the remote control.  
  When necessary, the door locks can also be operated manually with a 
key (the same way as before the central locking installation). 

 

 

Caution : In this case do not use longer locking signal !

 

no. 

parameter 

status  (LED) 

description 

 

 

5

 

(on)

 

z

 (off) 

 

 

1 REARM 

enabled 

disabled 

if car is not entered within 1 min. after disarming, it will arm again 

2 AUTOIMMO 

 

enabled 

disabled 

if enabled it will block engine if ignition key is switched off for more than 5 min. 

duration of locking pulses 

0,3 sec. 

4 sec. 

modify „lock“ and „unlock“ output pulse duration 

longer „lock“ signal 

60 sec. 

normal

  the „lock“ pulse is normal (see step no. 3) or longer (60 seconds) 

 

 
emergency disarm with VALET 

 

enabled

 

 

disabled 

if emergency disarm is disabled, VALET button can only be used for setting 
(emergency disarm is possible only by a professional mechanic) 

 

 
arming / disarming chirps 

 

all arming

 

 

limited 

if limited, only 

 button arming and after alarm disarming is indicated with 

siren (no sound for 

 button arming and normal disarming)  

7 PANIC 

alarm 

enabled

 

disabled 

can be triggered if 

&

 buttons are pressed simultaneously 

8 current 

detector 

enabled

 

disabled 

possibility to switch the detector completely off 

9 vibration 

detector 

enabled

 

disabled completely 

disabled

 

(no function for CA-321) 

10  vibration detector reaction 

ALARM

 

WARNING  alarm or short siren chirp only

 

(no function for CA-321)

 

11 

 

open door warning 

 

enabled 

 

disabled 

if disabled, it will not indicate if all the doors are closed when arming 
(car alarm tests door switches, AL1 and AL2 inputs when arming) 

12  AL2 input reaction 

ALARM

 

WARNING  alarm or short siren chirp only (warning) 

13  AL2 input logic 

N.O.

 

N.C. 

Normally Closed contact logic can be used as a positive trigger input. 

 

Examples of „Accent“ use for different central locking systems

 

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