Introduction - If you have any usage issues, please Google them yourself
(1) Digital inputs: Each time you press a number key, enter a value, and shows the value on the display while the data previously entered sequentially left digit position. (2) Digital Clear: Press this button to clear all the previous input values, cleared to " 0000." (3) Change Password: When you press this button will set the current figure to a new password. (4) to activate the electric lock: press this key to lock the lock. (5) releasing the electric lock: press this key checks the entered password is correct, that is correct password to unlock.