Constellation Aux Outs

Is there a way to lock the aux outputs so they can't accidentally be changed? For example, I'm feeding Programme and Preview monitors directly from the VM. I have other Aux outputs sources which need to be switched, but don't want someone to inadvertently switch my P/P feeds!
It's a feature I've used on my For-A vision mixer, but have not found whether it exists on the Constellation 2 M/E.

Thanks.

I wish it was possible..

Like the Videohubs do have this function that you can LOCK sources to outputs.. But the Constellations if somebody does a bad routing your whole show can go south...