这个播放器另外一个漂亮的特点是：你可以很容易地在全屏收看视频和幻灯片之间来回切换。
Another neat feature of the player is that you can easily switch between watching a full-screen version of the video and the slides.
演讲过程中为了不被束缚在电脑前，你可以使用遥控器来轻松地切换幻灯片。
Use a remote device so that you can change slides easily on the screen without having to be stuck behind a computer.
设置的计时器每五秒切换到下一张幻灯片。
A timer is set to go off every five seconds to move the show onto the next slide.
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