Teletek electronics LCD62 - Disarming; Stopping the Alarm; Ambush Code

LCD62 Keypad User Manual 17
Disarming
Coming into the entrance zone, the user is required to enter a
personal code:
CODE
A continuous beep indicates the entrance time.
Note:
Certain users may not be allowed to disarm the system
Stopping the Alarm
The alarm is stopped by entering a personal code:
CODE
Ambush Code
Ambush code is a personal code that disarms the system,
but still sends alarm signal. Its purpose to indicate that the
user is forced to disarm the system against his/her will.
The ambush code is produced from a personal code by
increasing the last number by one.
If the last number is 9, it is replaced by 0 in the ambush code.
Example:
Personal code: 4615 → Ambush code: 4615
Personal code: 4619 → Ambush code: 4610