Not to my knowledge :o( And it IS very annoying. I sometimes hit it in a futile attempt to access the AUX camera :o((( Since Ctrl-M is Main Camera, my mind keeps expecting the AUX camera to be at Crtl-A. Never thought of it being close to Crtl-S too, which makes it even more "dangerous", I just never save that way :o)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.