Hello,
I'm trying to animate a character in MED by using bone animation. My problem is that whenever I animate one frame, the next frame automaticaly animate by giving my character the same pose as the previous frame. I understand that they did that so that people could animate faster by starting with the previous frame as reference. But the problem is, whenever I want to go back and refine previous frames, this affect all the frames after that and mess up everything.

Does anybody know a way to turn that function off? I search the tutorials and manuals, but I can't find anything.
Thank you