Home > categories > Construction & Real Estate > Lock Key & Accessories > Anti-theft door A, B key use method
Question:

Anti-theft door A, B key use method

Home is equipped with a step anti-theft door, with AB lock. Decoration is the use of A key, and now renovated, and would like to use the B key, just look at the Internet with the B key inserted into the keyhole rotation lock cylinder turn (circle), A key to lose the unlock function, ask The 1, B key need to use the first A key to open the door lock, or lock it? 2, B key is used from ...

Answer:

As long as the B key with a gap that insert the counterclockwise rotation can be a circle, inside and outside do not matter! Lock does not lock on it does not matter, can!
You can answer the key about the AB lock is very simple, the key to the decoration to the workers is exposed to the outside is the B key. A, C key your own use, if the decoration is completed, you use the plastic seal inside the C key is the key of two gaps, insert the lock cylinder turn (360 degrees), B key on the failure, you can open the door The key is now only A and C key. Chongqing long flight security door for your dedicated service, I hope to answer to help you. Thank you
After the renovation, with the B key (whether it is closed or open the door) in the door into the keyhole lock cylinder rotation above 360 degrees on the line, and then return to pull out the key, and then take the A key into the keyhole to see if the rotation was moving , The rotation does not move to explain the A key to lose the role, you can destroy the A key, do not litter (knowledgeable people can still take to make the key to unlock). If the A key can also rotate on the instructions can unlock, and then repeat the previous operation on the line. (The above is only for the AB key, there is a ABC key)

Share to: