Password Setting:
1. Align the correct password with the arrow on the side of the lock body, push the key switch by hand, and hold it down until the next step is completed (In this process your hand can not loose)
2. Set the first password, such as 1-0-0-0, release the key switch, check whether the password is set successfully, then repeat the above steps, and then set the second, third and fourth passwords separately.
