K44 Duo Installation & User manual 21
ENG
Using K44 Duo
Entrance
To open the lock, a 4-digit (or 6-digit) code should be
entered on the code lock’s keypad.
K44 Duo is blocked if a visitor performs 12 keypress-
es without finding the correct code. To release the
blockage, enter a correct code twice in succession.
Unlock the door permanently
To unlock the door permanently, proceed as follows:
Press B.
Enter the entrance code.
Enter 1.
The door is now unlocked (green LED is lit). To lock
the door, follow the above steps, only enter 0 in step
3 instead.
1�
2�
3�
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