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Anonymous users2024-01-24Have you changed the lock heart or have you been using the decoration key
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Anonymous users2024-01-23There are two decoration keys, which are used during decoration, and the back keys cannot be opened when they are opened.
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Anonymous users2024-01-22Change a lock core; which is safe; Feel relieved.
No, there should be a key in addition to the A and B keys, and after the decoration is completed, use that key to poke it to open the B key, if not, then you have to use the B key to poke it down to open.
Locking the door with the A key will have no consequences. Only after using the B key 360 degree rotation of the lock cylinder, the A key loses the function of opening the lock. Achieve anti-theft function.
The first is to rule out that the lock cylinder itself has a quality problem. Second, it is very big that you are now using a functional key, the difference between the decoration key and the functional key is that there is a gap in the functional key, and there is no gap in the current match.
As long as the decoration key is not destroyed, it can always be used, and if you don't want to decorate the key, you can turn 360 degrees, and the key will be invalid.
Summary. Under normal circumstances, if you lock the security door with a key from the house, the key will not be removed and it will not be opened from the outside. This is because the locks on the security door are generally "one-way locks", that is, they can only be opened from the inside and cannot be opened from the outside. >>>More