Carpal LX24 User Manual Download Page 4

normal state, it is not pushed down. When it is pushed down in a necessary situation, the alarm anti-hijack 
function will be engaged. Finally it will immobilize the vehicle engine so it avoids the robbery. This is normally 
used when it is not convenient for the vehicle owner to use the remote control or the remote control is not with 
him when the dangerous robbery is happening or the owner is forced to get out of the vehicle, he can secretly get 
the alarm main unit and push down the green button before he leaves and remember to close the door well after he 
leaves the vehicle ( must remember to close the door well, as the system will be activated as soon as the door is 
closed well). Then the LED status indicating light will keep steady on, indicating entering anti-hijack mode, lights 
flash, 40 seconds later, the siren sounds continuously, lights flash intermittently (200ms lighting and 200 ms 
interval ), engine is immobilized. To exit anti-hijack mode, pull out the anti-robbery switch (the green button).   

15. VALET MODE   

If you are going to have your vehicle serviced, repaired, parked by valet or washed, you 

will want to put your security system into valet mode. When the system is in the valet mode it cannot be armed. 
The door lock and unlock will function as a keyless entry system, namely , button A and B will work as lock and 
unlock doors, but all the other functions and other buttons will not function. In this mode, the LED status 
indicating light is off. To enter valet mode, please see the program table below. 

16. TRANSMITTER CODE LEARNING   

This system can expand to 4 different transmitters and comes from 

the factory with two transmitters already programmed into the system memory, whenever you want to add a new 
transmitter or delete lost transmitter code of the system, just follow the following instruction:   

1) In disarmed mode, get into vehicle, close door well, step on the footbrake and push, then open the door (lights 
will flash if “door open notice” feature is selected) 
2) Put the key into ignition lock turn from OFF to ON for 3 cycles and stop at ON position, namely, 
OFF-ON-OFF-ON-OFF-ON, now the lights begin steady on, indicating it enters code-learning process. 
3) Press any button of the new transmitter and hold the button for 3 seconds, until you hear 3 siren chirps, 
confirming that code-learning is successful, this new transmitter is learned by the system.. 
4) To program the second, third or fourth transmitter codes, repeat step 3. Siren chirps to confirm that each 
transmitter is learned. A total of 4 transmitters can learn the code. If a fifth transmitter is learning the code, then 
the previous 4 transmitter codes will be erased.   

17 TRANSMITTER CODE DETETING 

  If transmitter is lost by accident, please remember to delete its code 

in the system memory, so the lost transmitter will not be effective hence not be able to remotely control the 
vehicle alarm system. This is to protect the system security. The procedure is: 
1) In disarmed mode, get into vehicle, close door well, step on the footbrake and push, then open the door (lights 
will flash if door open notice feature is selected) 
2) Turn the key into ignition switch turn from OFF to ON for 5.5 cycles stop at OFF position, namely, 
OFF-ON-OFF-ON-OFF-ON-OFF-ON-OFF-ON-OFF (must finish it within 10 seconds), now the lights begins 
steady on, siren chirp 2 chirps, indicating all old transmitters are erased in system memory. 
1

8. PNEUMATIC LOCK AND SOLENOID LOCK OPTION  

Vehicle lock is of generally two types

pneumatic lock and solenoid lock (power lock). There is a jumper switch for selection of these two lock options 
on the main board inside of the alarm main unit. Factory setting is solenoid lock, the output time of the central 
lock system is 0.5 seconds (JP1 is open-circuited). If your vehicle is of pneumatic lock, then you can open the 
main unit, find the jumper switch JP1, make it short-circuited with ground, then it fits for pneumatic lock. The 
output time of the central lock system is 3.5 seconds.   

19. ULTRASONIC SENSOR OR MICROWAVE SENSOR INPUT ( OPTIONAL PART)   

There is a  

3-pin jack for other sensor inputs, like ultrasonic sensor, microwave sensor or audio sensor on the alarm system 
main unit. The user can buy and install any of those if necessary. The sensor can work together with the alarm 
system. If the sensor is triggered, then the system is triggered and gives warning. Ultrasonic sensor detects 
moving object, microwave sensor detects attacking by force, audio sensor detects high-frequency sound (like 
window glass break sound). 

Summary of Contents for LX24

Page 1: ...anced technology SYSTEM PACKAGE CONTENTS After you purchase this car alarm please check whether all systems parts are packed Please see the illustration table 1 Main unit 2 Transmitters normally two unless ordered with one 3 Special anti robbery switch green switch 4 LED status indicating light 5 Reset switch red switch 6 Shock sensor 7 Starter disable relay to immobilize the engine 8 Electronic s...

Page 2: ... siren by pressing button C on the transmitter but it will not sound when it is in mute alarm mode If it is some serious intrusion like the doors are opened by force and the engine start is attempted ignition is turned ON illegally the siren keeps continuous sound even in mute alarm mode unless pressing button B to disarm the system or pressing button C to stop siren temporarily 3 TO DISARM THE SY...

Page 3: ...e unlock and open the trunk automatically 12 POWER DISCONNECTING MEMORY This alarm has built in memory on the main unit Generally after alarm power is cut and reconnected the main unit will read back the data make the alarm resume When in arm disarm mode or anti hijack position power is off and on again the alarm will read back the original position 13 EMERGENCY OVERRIDE DISARM SYSTEM MANUALLY If ...

Page 4: ...ers code learning process 3 Press any button of the new transmitter and hold the button for 3 seconds until you hear 3 siren chirps confirming that code learning is successful this new transmitter is learned by the system 4 To program the second third or fourth transmitter codes repeat step 3 Siren chirps to confirm that each transmitter is learned A total of 4 transmitters can learn the code If a...

Page 5: ...ow PROGRAMMABLE OPERATION TABLE PROGRAMMABLE FEATURE TABLE TO SET WITH TO EXIT WITH FEATURE 1 Turn Ignition Switch from OFF to ON 2 Transmitter Operating 3 Confirmation Operation Confirmation PASSIVE ARMING LAST DOOR ARMING 3 cycles stop at ON Press Button A for 3 seconds 2 chirps 3 flashes press button B for 3 seconds 1 chirp 3 flashes IGNITION TRIGGERED DOOR LOCK UNLOCK 4 cycles stop at ON Press...

Page 6: ...grams to connect the central locking system with car alarm system though there are many different models of central locking systems but mostly they are divided into these four types A Negative Trigger Type if the car is originally equipped with a central locking system and there is a seesaw switch near dashboard which controls the other 3 door locks therefore the first thing is to find out whether...

Page 7: ...ght on the transmitter is not alight the transmitter doesn t work a check if the battery in the transmitter is lower than 10 voltage b Check if the transmitter has been soaked into water c Check if the transmitter has been dropped badly d Use an other transmitter to check and compare then to find out if one of the transmitter is wrong and where is wrong If two transmitters both don t work normally...

Page 8: ...ply 12V 4 Green Door trigger positive 5 Black Power supply 6 Pink Siren 7 Orange 8 White 9 Yellow 10 Orange black 11 white black 12 Yellow black Shock sensor Ultrasonic sensor 6 footbrake Special Anti robbery Switch Reset Switch LED indicator Relay white ACC 12V green ACC ON Brake light Footbrake No 7 12 for Central door lock connection SCHEMAIC DIAGRAM FOR CENTRAL DOOR LOCK INNER INTERFACE 8 ...

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