When you get the props,please contact balck and red line to 12V EM lock?Positive and negative correspondence.

HOW TO SET THE PASSWORD FOR THE PLAYER?
Press on the button in the controller don’t release until power on it,
and then set the password by press 3 button boxes,
after setting the password,please wait a few seconds,
the system will be restore your password automatically.
After setting the password,please repower on the controller and it will start work.

If the lock has been opened,HOW TO RESET FOR NEXT PLAYER?
Just need to Re-power on the controller,the lock will be locked and start work again.