How does Mac os turn on the touch angle feature?

To further extend the usability of the edge of the screen, the MAC OS X system provides a feature that allows the user to turn the four corners of the screen into an active target. After setting up, the user can move the mouse to any corner randomly to pull out different functions, such as Mission control,dashboard,launchpad, screen protection, sleep state and so on.

1, the Finder, right click, choose to change the desktop background, shortcut into the desktop settings.

2, and then switch to the screen saver

3, click on the lower right corner of the trigger corner button

4, then set up, you can choose up to 4 triggering angle function

Note: The trigger angle is very sensitive, is a good helper to speed up the work efficiency.