音频通知可以自由开关，用户可以设置不接受消息的时间。
Audio notifications can be turned on or off and you can set times during which messages aren't delivered.
对于iPad用户来说，iOS 4.3可以通过软件设置来控制硬件开关，以便在静音和方向锁定之间进行切换。
For iPad users, iOS 4.3 brings sanity back to the hardware switch, as a software setting which allows changing between mute and orientation lock.
系统局端控制器软件，具有用户权限管理、通信参数设置、路灯开关时间设定及修改等功能。
The software of its local controller is provided with functions such as user authority management, communication parameter setup, and street lamp on-off time setting and change.
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