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苹果6听筒上面的小圆点是什么
更新时间: 2020-09-24 00:00:00  

听筒上面的是距离传感器。所谓的距离传感器就是在接听电话的时候,面部贴近手机屏幕会切断屏幕电源,这是为了避免接听电话的时候面部触及屏幕上的按键导致的挂断等事情的发生。这个功能是自动触发的,当面部离开手机一段距离即可恢复屏幕开启状态。

关键词: 苹果 听筒 面的 圆点 什么

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