Some watch TV when doing homework, some text (发短信), and some others listen to music.
有些人做作业时看电视，有些人发短信，有些人听音乐。
The device can also be used to attract a minder's attention, to get a computer to read out a text or to send commands to external devices such as a TV.
本设备还可用于引起使用者的注意、命令计算机读出一段文字或向电视等外部设备发出指令。
It avoids using the TV screen for messages, something that has proved irritating to consumers who don't want clunky text obscuring the pictures on their 52-inch HDTVs.
这系统会避免使用电视屏幕显示这些信息，因为那些有52英寸高清晰数字电视的用户可不想在图片上看到乱七八糟的东西。
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