You can switch through the modes or just hit right and left arrow keys.

你可以切换模，直接左右。

But you say, oh, hit the arrow key if you want to search for an app.

但你说，哦，如果你想搜索应用程序，就下。

If you press the arrow key in one direction or another, then that's the direction it shoots.

如果你一个方向的，那么它就会朝那个方向射击。

You can use function with the arrow keys to raise or lower volume, increase or decrease brightness, etc.

您可以使用带有的功能来提高降低音量、增加降低亮度等。

Though they do work by default, try to avoid them, because you don't want to have to move your hand all the way over to the arrow keys.

尽管它们默认有效，但请尽量避免使用它们，因为您不想将手一直移到上。