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。
2
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.
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.