In each indicator set, you can set any of the conditioning indicators on or off.
在每一个指示符集合中，您可以将指示符设置为开启或者关闭状态。
One button handles most functions including call answer and redial, while a smaller button on the top edge controls volume and turns the status indicator on and off.
一个按钮控制大部分功能，包括接听电话和重拨，顶部边缘处有一个更小的按钮，用来控制音量和开启、关闭状态指示器。
Because you are done receiving data from the server at this point, your request is complete and you can turn off the network activity indicator, as listing 4 demonstrates.
由于现在已经从服务器接收完数据，请求就完成了，可以关闭网络活动指示器了，如清单4所示。
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