You can either view the lecture in a mode as presented above (referred hereafter as ‘default’) or in a full screen mode.
Set zoom to 60%. Use “next page” and/or “previous page” buttons for turning pages instead of scrolling.
Full screen mode:
For optimal view, press a fullscreen button below. The lecture will open in a new window. To navigate through pages, click “next page” and/or “previous page” buttons. To return to the website, close the full screen window by pushing the Esc button on your keyboard.