The original number is 0-0-0.
Setting your own combination:
1.Pull up the shackle.
2. Rotate the shackle 90° counterclockwise, Hold it down and then continue to turn another 90° counterclockwise
3. Set your own combination by turning dials to the convex line
4. Turn the shackle back as normal. The procedure is now complete
5. Dial your numbers to the convex, pull the shackle to open
6. Insert the shackle and scramble the numbers to lock, repeat the above to reset