当视频播放时，他可以对着屏幕挥动手掌激活控制菜单，倒回视频或者调高音量。

When the clip is playing, he can wave a palm at the screen to call up the controls to rewind the video or turn up the volume.

youdao

音调控制：低音，高音。

Tone control: Bass, Treble.

youdao

安装在一辆车的仪表盘、MC406带来即时看类，以及熟悉的触动像扶轮，音量控制和模拟低音和高音的控制。

Mounted in a car's dashboard, the MC406 brings the instant look of class, as well as familiar touches like the rotary volume control and analog bass and treble controls.

youdao