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GSM car alarm CA-1202 „Athos“ 

 

 

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MHF52605 

 

 

10 SMS text editing

 

The SMS texts (alarm information and instructions) are factory 

preprogrammed. However, it is possible to change these texts by a 
mobile phone or via internet access 

www.GSMlink.cz

 

To change a text by your mobile phone, send SMS: 

MASTER TXT zz,text,zz,text,… 

where: 

zz 

is the text index (see following table) 

text 

  is your new text – up to 30 characters, full stop (dot) or 

comma cannot be used in the text, spaces are allowed 

Example: 

  MASTER TXT 01,LOCK PLEASE 

By changing texts number 01 to 16, you will modify the control SMS 

instructions. This allows you to customize the remote control of the car. 
You can also make your own password part of the instruction to increase 
the security of the mobile phone remote access.  

10.1 SMS text table 

 

zz 

Factory default text 

zz 

Factory default text 

SMS commands:

 44 

Wireless 

detector 

01 AM 

45  Current 

detector 

02 DM 

46  Telephone 

03 IMO 

47  Telephone 

04 UNIMO 

48  Telephone 

05 STATUS 

49  Telephone 

06 

HELP 

50 

Telephone - UC 

07 

CREDIT 

51  

Telephone - MC 

08 DIAL 

52  Remote 

controller 

09 HF 

Status information:

 

10 LOCATOR 

60  Car 

alarm 

reports: 

11 MC 

61  Status: 

12 UC 

62  Armed 

13 DIP 

63  Disarmed 

14 TEL 

64  Ignition 

key 

ON 

15 

LEARN RC 

65 

Ignition key OFF 

16 

LEARN JA 

66 

Engine is blocked 

17 

SIREN 

67 

Engine is unblocked 

18 SET 

68  No 

alarm 

Events:

 69 

Alarm 

timeout 

30 

Alarm 

70 

Low accumulator voltage 

31 

Alarm canceled by a user 

71 

Power failure 

32 

Fire alarm 

72 

Power recovery 

33 Tamper 

alarm 

73  Time: 

34 

Disarming 

74 

Low battery voltage 

35 Arming 

 

Confirmation SMS:

 

36 

Low battery voltage 

80 

Command accepted  

37 

Engine is blocked 

81 

Command syntax error 

38 

Engine is unblocked 

82 

New MC code: 

Source:

 

83 

New UC code: 

40 Ignition 

key 

 

84  Reset 

41 

Door contact 

85 

Registered phone number: 

42 INP1 

activation 

86  Credit: 

43 

INP2 activation 

87 

LEARN mode, enrolled 

 

11 Internet remote access 

The web site 

www.GSMLink.cz

 enables car alarm remote control (to 

users) and setting (to installers). The following features are enabled:  

 

To get internet access to an installed and powered car alarm you will 

first be asked to register your car alarm on the first page. You will find a 
unique registration code for your car alarm on the warranty card.  

11.1 Reset GSM 

If you need to disconnect and then reconnect the GSM module to the 
GSM network, then use the command “MASTER RESET GSM”. 
This does not affect any settings and is typically used for GPRS 
activation or charging up credit. This command always requires the 
Master code. 

 

12 Central monitoring station communication  

The GSM pager allows central monitoring via GPRS data protocol. The 
central monitoring station (CMS) gets arming, disarming and alarm 
information. It also regularly checks the communication link to the car after it is 
armed.  So if anyone tries to tamper with GSM pager communications, it will 
indicate an alarm at the CMS. 

 

 

13 Additional features 

13.1  Car battery low voltage reporting 

The GSM pager checks the voltage of the car battery. If the voltage is too 

low (10V) it will notify users via an SMS message. This avoids complete 
discharging of the car battery if you forget to turn off your lights etc. 

13.2  Back-up battery  

The car alarm can be backed up by a BB-01 battery. Thus, the car alarm 

can keep sending information when the car battery is disconnected. Back up 
time is provided for several hours. The manufacturer recommends regular 
BB-01 checking once a year. The battery should be replaced every two years. 
Low back-up battery voltage (below 4V) is reported to the user via SMS 
(change the battery in this case). 

13.3  Voltage drop detector 

The built-in voltage drop detector can trigger an alarm if an electrical 

device in the car is turned on while the car is armed. The sensor activates 
10 minutes after arming (if enabled).  

13.4  Entrance delay acoustic indication 

The siren can indicate arming and disarming by beeps (see DIP 

parameter setting). The siren will also indicate the triggering of a wireless 
detector which provides an entrance delay (by a single beep). This way 
you can be reminded not to forget to disarm your car alarm after you 
open the garage door etc. 

13.5  Limited number of alarms  

If any sensor (input) repeatedly triggers alarms then this particular input will 

be bypassed automatically after the third alarm (it will remain bypassed until 
the car alarm is disarmed). 

13.6 Car location 

If your GSM provider offers a location service, you have to activate the 

LOCATOR command after installation by the following SMS sequence:  

MASTER LOCATOR xx…x 

where:  

MASTER

           is installers code 

 

xx...x 

 

is provider’s sequence to obtain the position of 
the car alarm SIM card  (check with your GSM 
provider for details)

  

 

After this sequence has been sent successfully once, the car alarm 

memorizes the parameters and from this moment on you can obtain the 
location of the car by just sending the instruction  LOCATOR. 

 

Note: GSM location service may not be available in some countries. 

13.7  Pre-paid SIM card balance 

It is recommended not to use prepaid cards in the car alarm. If you have 
no other choice than prepaid cards, you can enable the CREDIT 
instruction by following sequence:  

 

MASTER CREDIT  uuu..u  xx  yyy  zz  

 

where:  

uuu…u  

is the provider’s code to obtain the balance                                    

 

xx  

 

is the time period (in days) for regular checking 

 

yyy     

is the threshold level below which the balance is 
reported to the user (TEL1)

 

zz  

 

is the position of the first digit of the balance in the reply 
SMS from the provider

  

 

 

After this sequence has been sent once, the car alarm will check the 
balance automatically every xx days and if the balance is lower than 
yyy the user will be notified (TEL1) 

 

If the CREDIT instruction is enabled in the above way, the  user can 
also obtain the current balance by the instruction CREDIT 

 

To disable the automatic balance checking set the time period “xx” to 00. 

13.8 Roaming 

If you travel abroad and your SIM card supports roaming, the car alarm 
will work there too.

 

13.9 Siren activation 

If you are searching for a stolen car, you can operate the siren 

remotely by the following SMS instructions: 

 

MASTER SIREN   

turns the siren on for 10 minutes

   

MASTER SIREN ON

  

siren on permanently 

MASTER SIREN OFF

  

siren off 

 To avoid misuse of this option, only an installer can switch the siren on. 

  

13.10 LED indicator signals 

LED state 

Meaning 

OFF Disarmed 

permanently ON 

Connecting to a GSM network or a phone call 

Regular slow flashing 

Armed 

Regular fast flashing 

Alarm memory  

Interrupted light 

Car was stopped (immobilization) 

Flashing after ignition off 

GSM network is not available 

 

14   Specification 

Please see Mode 3.  

GSM car alarm CA-1202 „Athos“ 

 

 

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MHF52605

CA-1202 “Athos” installation manual 

MODE 2 – for cars with an original remote control for central locking  

 

Main features for this mode: 

  Remote control of the alarm system via SMS instructions as well 

as by the original remote control for central locking. 

  Sending of alarm SMS messages to up to 4 phones.  

  Dialing and acoustic alarm warning to up to 4 phones. 

  Location tracking of the car (using the triangulation feature of the 

GSM provider)  

  Central monitoring of the car when armed  (fully supervised GPRS 

protocol) 

  Remote immobilization of the car via SMS instruction.  

  Protecting a car with wired and wireless sensors (wireless sensors can 

also be used to protect the garage where the car is parked).   

  Optional - Hands Free calling (receiving of any incoming call and 

dialing up to four pre-programmed phone numbers) 

  Remote internet alarm access (user and installer levels) via 

www.GSMLink.cz 

    

1 Before installation

 

The CA-1202 should only be installed by a professional installer. The 

manufacturer assumes no liability for damages caused by incorrect 
installation or use of this product.  

The Athos car alarm is suitable for cars with 12 V and negative grounding. 

The main unit is designed for installation in the passenger cabin.  

Disconnect the car battery

 before starting installation; 

study the car 

owner manual first. 

Avoid drilling into the metal parts of the car body.  

Note:

 Use only proper crimping tools and parts to make connections. Cut 

all unused wires and insulate them properly.  

The thin wire which leads directly out of the central unit is the remote 

control and wireless detector antenna. The location of this wire affects the 
communication range. Place the antenna on a suitable plastic surface so 
that the other wires do not screen it.  

 

2 Wiring

 

 

 

YELLOW

 – siren output (+12V / max. 1A). 

 

 

GREY 

 door switch 

input. It reacts to connection or disconnection 

from the ground (automatically recognizes logic). 

 

 

WHITE – INP1 input 

– to confirm locking/unlocking of the car by the 

original remote control by confirmation signal from the turn lights 
(flashers).

 

 

YELLOW–WHITE – INP2 alarm input

 – reacts to connection or 

disconnection from the ground (automatically recognize logic).  

 

 

BLUE –

 

ignition key

 input (+12V). Be sure, that there is +12V while 

the key is on and while starting.

 

 

GREEN

 

– LED indicator

 – install it in a visible spot on the dashboard.  

Connect the other end of this lead to the GND.

 

 

WHITE–BLACK

 (position 10) 

 “

Lock

“ 

WHITE–BLUE

 (position 11) 

 

Unlock

” – control inputs for detecting locking and unlocking  to 

activate arming/disarming. They are usually connected to the outputs 
of the central locking control unit.. If these are not available, the car 
alarm inputs can be connected directly to the power wires of the 
central locking motors. Two pairs of central locking wires are available. 
For mode 2 use 

the wires with red shrinkable tube

. Carefully push 

the ends of the chosen wires into the main plastic connector. Be 
careful to select the correct wires as removal from the main connector 
is very difficult without the proper tool.  

 

BLACK–GND 

– connect to the original grounding in the car.

 

 

RED 

 power 12V 

 

connect directly to the battery. Check 

that the installation is properly finished and that the GSM antenna is 
connected before powering up!

 

 

ORANGE – back-up battery 

– connect optional battery BB-01 

(Jablotron) if desired. If the BB-01 is not connected, then ground the wire.

 

 

2x BROWN 

– immobilization circuit (8A permanently, max. 12A / 

3minutes). 

 

Pink 

– not used 

 

3  SIM card insertion 

1. 

Make sure, that the 

PIN password on the SIM is disabled

.  You can 

do this using a mobile phone (e.g. for NOKIA: MENU, SETTINGS, 
SECURITY SETTINGS, PIN CODE REQUEST, OFF). If your SIM card 
does not allow switching the PIN off, change the PIN to 0000. 

 

2. Activate the SIM card

 if necessary (see provider’s instructions), 

ensure that it works

 (by a mobile phone) and 

record its phone number

 

3. 

Using a thin pointed tool, press the colored button to release the SIM 

cardholder.  

Insert the SIM card into the holder

 with the gold contacts 

facing up and then reinsert the holder.

 

 

4  GSM antenna installation 

DO NOT switch the power on before the GSM antenna is connected

The provided antenna is adhesive and should be attached to the car window. 
The antenna should not be obstructed by any metal part. It is recommend to 
install the antenna in a place where it is not easily visible (tinted part of the 

window, behind the mirror etc.). If the car has an original GSM antenna installed, it 
can be used (if the connector is different, use an appropriate adapter). 

 

5  Initial powering-up of the alarm 

Make sure, that the GSM antenna is connected, SIM card inserted and the 
wire harness installed properly. Then connect the power (car battery). The 
LED indicator will turn on and the siren will make a short chirp. Wait until the 
LED turns off (up to 1 minute).  

  If the LED starts to flash, no GSM network was found. In such a case turn the 
power off, remove the SIM card and try to use it in a mobile phone (at the 
place where the GSM antenna is).  Check also if the PIN protection is OFF (or 
set to 0000). If the SIM card logs into network successfully, reinsert it in to the 
alarm and repeat powering-up

After the alarm is powered, you have to: 

a) 

Select  Mode 2

  by command 

RESET EN 2

  

b) 

Enroll  remote controls and wireless detectors

 (if used)  

c) 

Set the programmable features

 (phone numbers, DIP, SET, etc.). 

These can be done by:  

 

SMS instructions

 – see table 6.1. 

For example sending SMS: 

MASTER 

RESET EN 2

 to the car alarm will select Mode 2. 

 

Internet page:  www.GSMlink.cz 

is the most convenient way. To 

register there you need to know the registration code (printed on the 
warranty card) and the master code (factory default is MASTER). 

 

SIM Card phone directory editing 

(see table 6.1 for list of features 

which can be programmed this way). After the initial powering-up a list of 
parameters is created in the SIM card phone directory. If you then insert 
the SIM card in to a mobile phone, you can set particular features (by 
entering numbers to the created list). The entry for Mode setting is not 
automatically created, but it is possible to make a new entry name: 
RESET EN and number: 2. Data entered this way are read by the car 
alarm after the SIM card is reinserted. For security reasons it is erased 
after reading. 

 

6  Enrollment of remote controls and detectors 

Up to 4 RC-4x remote controllers and up to 8 JA-60 wireless detectors can be 

enrolled to the car alarm (after Mode 2 is selected by the RESET EN 2 instruction).  

Remote control enrollment: 

1.  The car alarm should be 

disarmed,  ignition on

  

2.  Send the SMS instruction:  

MASTER LEARN RC

 

 

The siren will chirp 3x and the LED will start flashing.  

3. Press and 

hold buttons 

 and 

 together for 3 sec on the remote 

control.  

 

A siren chirp confirms the enrolment.  

  By enrolling the first remote control all other remote controls 

previously enrolled will be erased (all the remote controls you want to 
use must be enrolled during the same enrolment session). 

4. 

Exit 

enrollment by 

turning the ignition off

 

Wireless detector enrollment:

  

1.  The car alarm should be 

disarmed,  ignition on

  

2.  Send the SMS instruction:  

MASTER LEARN JA

 

 

The siren will chirp 3x and the LED will start flashing.  

3.  Insert a battery in to the detector.  

 

A siren chirp confirms the enrollment.  

 

By enrolling the first detector all other detectors previously enrolled 
will be erased (all the detectors you want to use must be enrolled 
during the same enrollment session). 

4. 

Exit 

enrollment by 

turning the ignition off

Note: if the detector is switched to delay mode the alarm will provide a 20 
second entrance delay after triggering of the detector. An exit delay of 20 
seconds is provided to all enrolled detectors after the car alarm arming.  

 

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