Bticino 342610 Notice De Montage page 45

OPERATION
Door lock opening with secret code
Press the key with the "door key" symbol (6). The display
will show four "C":
Dial the 4-digit secret code. The four "C" will be replaced
by dashes.
If the code is right, the door lock is released.
If the code is wrong, one hears an intermittent sound and
the red LED (3) flashes.
It is possible to go back to stand-by at any time by pressing
the "C" key (5).
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