For example, you may have a Mac Pro with speakers plugged into the line-out, as well as headphones jacked into the port on the front of the tower. Switching sound output devices in Mac OS X is pretty easy. Move to the âOutputâ tab and select your desired output device. Here, âLine Outâ is for my speakers and the Built-in Output (Headphones) is for none other than my headphones. Once you have clicked on the desired output device, close the window.
But the same study found that the United States had 133 mass shootings. Finland had only two, which killed 18 people, and Switzerland had one, which killed 14. In short, isolated incidents. So while mass shootings can happen anywhere, they are only a matter of routine in the United States.
Including the worst mass shooting of the year, which unfolded horrifically on Wednesday in San Bernardino, Calif., a total of 462 people have died and 1,314 have been wounded in such attacks this year, many of which occurred on streets or in public settings, the databases indicate.