As you know, in WinXP you have the following possibilities for video playback:

overlay:
- old Video Renderer + old Overlay Mixer
- old Video Renderer + Overlay Mixer 2
- VMR7 in overlay mode

"quality mode":
- VMR7 in "quality mode"
- VMR9


Let's focus on VMR7 in overlay mode and VMR7 in "quality mode". How do you switch between these two VMR7 modes when playing a video in MS GraphEdit? I simply can't find this out.