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如何在iPhone屏幕上添加主屏幕键

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新版的iPhone软件有个特色功能，就是能在屏幕上添加虚拟的主屏幕键。它和屏幕下方的实际按键长得一样，并拥有更多功能，名字叫作Assistive Touch（虚拟辅助键）。在实际按键失灵时虚拟按键能帮助你。

步骤

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点击iPhone主屏幕上的“设置”图标，长得很像齿轮那个。
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下拉“设置”菜单，直到看到“通用”，点击。
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下拉“通用”，找到“辅助功能”。
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4
开启“Assistive Touch”。 将按键向右滑，开启虚拟辅助键功能。虚拟辅助键将会显示在屏幕上。
- 虚拟辅助键的功能和实际的主屏幕键功能类似。
  
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小提示

很多用户使用虚拟辅助键来降低实际主屏幕键的磨损。

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参考

http://support.apple.com/kb/HT5587

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