This is what you are after; ALARM MEMORY FUNCTION :On placing the system in the disarm condition. The alarm memory feature is automatically activated. If the system has been triggered during the previous armed condition, the LED will indicate the trigger input responsible, for a period of 35 seconds as follows :
1 flash every 6 seconds – interior movement sensors
2 flashes every 6 seconds – door input
4 flashes every 6 seconds – bonnet/boot input
8 flashes every 6 seconds – ignition input
After 35 second period, the LED will extinguish, however the alarm memory function will repeat every time the system is disarmed. To erase the alarm memory function, the hand held transmitter must be pressed whilst the vehicle ignition is ON.