打开“控制面板”，选择“电源选项”，然后在左侧的菜单栏里点击“选择电源按钮的功能”
Open Control Panel and select Power Options, then on the left side click on Choose what the power button does.
与他们使用者转动时手指碰垫、传感器，座落于外环线的电源按钮，要激活加热功能。
With their finger, the user rotates the sensor touch pad, located on the outer ring of the power button, to activate the heating function.
电源按钮锁定功能可防止镜头因为按下电源按钮而意外伸出。
This prevents the problem of unexpected extension of the lens since the lock function is in effect if the power button is pushed.
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