Revit Duct Fabrication

[RJK42]

Hello!

I need to make the elbows of the round duct to match 88° which I have no problem with.

It issue that I am having is I cannot tell which end is which after I adjust the part.  

How do I know what end is what?

Thanks,

 

 

[Anonymous]

By default C1 is then End you connect to first.