III: Chat panel
4. Top Buttons
1). Whiteboard: Whether to express your idea with creative drawing, or just draw randomly with others, whiteboard may help you.
2).Publish my video: Use it to publish your video provided that there is a webcam plugged in and the session is not taken yet by some other application. More details
3).Scrolling: Start or stop scrolling the chat screen automatically. If enabled, the latest message will appear right above the input area; if disabled, the chat messages will be pinned there so that you can examine the words carefully.
4).Turn off sound: You may turn off all the sounds of the chat room when you need it.
5). Open message history: The past conversation history can be found here, from the moment that you've entered the chat room. Click Public Log to read the public messages in the chat lobby of a certain amount, defined by your admin.
6).Clear screen: It will erase all the messages on the screen.
7).Exit: To exit the current room, but neither log out nor disconnect.