1.Align the initial code 0000 with the front scale line,and pull up the lock beam. 2.Rotate the lock beam 180 degrees counter-clock wise,align the convex point of the lock beam with the groove and press it down to the bottom(if it is not pressed down, it is easy to make mistake in the lock） 3.After pressing to the bottom,align the code you need with the scale line,and fully pull up the lock beam.(if you cannot pull it up completely,go back to the initial password and reset it,and be sure to align the scale line) 4. After pulling up the lock beam,turn the lock beam 180 degrees and return to the original position(please confirm the password again)