The buttons in the middle-right portion will bring up small windows of the slide images, the slide indices, the search window and the credits window, respectively. The buttons in the lower left portion control the state of the video. From left to right, they correspond to Reverse, Stop, Play, Pause and Fast-foward, respectively. Volume control and the mute button are in the lower-right portion of the window. At the very bottom, an area marked red in the the white bar denotes the current slide corresponding to the video.
Users can also click on the bar to jump to the video of another slide.