４
4.Install batteries
Install 4pcs AA batteries and notice the
dirction of the positive and negative electrode.
Put the battery cover back after finish the
installation and tighten the screw.
5.Backup key
If the battery died or you forget the password, please use the backup key.
Remove the hex socket screw on the handle by L wrench
remove the
outer handle
insert the key and turn 90°clockwise, the door will open.
