I just bought a 5D mark ii to replace my 7D. I use the AV composite cable coming out of the 7D and see the image through my downlink when I have live view on. When I plug the cable into the port the image on the screen goes off and goes to the downlink. For the 5D however I can't get a signal coming out of the analog output. Live view is on and when i plug the cable in the picture doesn't switch. The cable also doesn't go into the port as smoothly as it does on the 7D which made me think that it wasn't the same connector. However looking at them closely and comparing I would say they are the same. Is there anything goofy with the 5D settings that I should know about that might be causing this?