切换键，即电脑键盘中的Tab键。键盘最左边下到上数第4个。如果要切换程序的话 先按住。上挡键shift+切换键tab就可以操作了。shift键在回车键下面有一个，最左边下到上数第2个也有一个。
按切换键然后打字母‘C’ 。
有些顾客说他们想要一个快速静音切换键，但其他顾客又想要一个屏幕方向切换键。
Some customers have said they want to use the switch on the device to quickly mute the device, others have asked for a switch to change the orientation lock.
有些顾客说他们想要一个快速静音切换键，但其他顾客又想要一个屏幕方向切换键。
Some customers have said they want to use the switch on the device to quickly mute the device others have asked for a switch to change the orientation lock.
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