1. In case of Mortise lock, press the handle anchorage which is located inside of the door lock and turn the handle to change in the direction you want.
2. In case of Rim Lock with sliding cover, unfasten the bolt in the battery insertion position and turn the outer body. Then, secure the bolt again to change the direction you want.
3. It automatically changes left and right, so you can change it in the direction of your choice without having to disassemble it or set up a program.