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Mechanical lock is a large electronic key without the high reliability of the mechanical key lock. It operates in a unique way, similar to the dialing of an old telephone - starting from the beginning of the dial, turning the dial clockwise to a digit, and then back to the starting point to enter a password. Repeat this until the last password is entered, and then turn the dial counterclockwise from the starting point to unlock it. While unlocking, the internal has been reset, so the dial to return to the starting point after the lock, you must re-enter the password to unlock, do not consider the internal reset problem. If you enter the wrong password, turn the dial counterclockwise (with a virtual lock) to reset it internally, and then re-enter the password.
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