When you hear the 'beep', press "Next" to continue the presentation. The "Back" button will return you to the previous frame.
The presentation is a filmstrip slideshow, and is not full-motion video. Each frame lasts approximately 20-30 seconds.
All audio is presented as MP3 and will require a plug-in to play; most browsers currently support MP3 playback, but you may have to download a plug-in from your browser's website if you are unable to hear the narration.