Through the Unite 200 web interface please check the following:
In the web interface "Video" menu, if the video format is set to “Dial Priority“, then you have to set Flip- H and Flip-V via the on-screen interface by pressing [MENU] on your Unite remote control and going to the “Image” menu and choose the Flip options. Use the [MENU] button to back out of the menu when finished.
In the web interface "Video" menu, if the video format is set to “50 Hz or 60 Hz”, then you have to set Flip- H and Flip-V via the web interface by clicking the “image” menu and selecting Flip or Mirror.