I only asked about the software version as there were releases with different known bugs in them on lighting in lash-ups. I did not keep written records of the bugs. I would guess it was with the DCS 5.x versions and the very early releases of the app versions. The FSV key was developed (I believe) after complaints about having to do just what you described. The remote was the mainly used control, and the only one at first we have to remember. The remote is limited in it's capabilities. So I imagine some things could have been more easy to fix with the app if they didn't have to also include the remote.
I do know that software keeps updating and MTH works on eliminating any of the known bugs with each release. So the first thing I recommend is updating when these things are encountered. Sometimes there are known issues that need work arounds as MTH hasn't changed the software to fix the problem, right away. It takes a couple of extra button pushes. (Like toggling the direction button to fix a bug direction issue on all consist members. ) The software has to do more to comply with using both older PS2 and the new PS3 boards, and the remote, and the app, and another brand of control.
MTH does list these fixes on new DCS releases when they become available. I just never kept track of each.
You don't have to be a computer wiz to work with DCS. The app should make things easy. Trying to determine what is wrong when issues arise is a different story. We have to be methodical in our search. It's usually something fairly easy that is overlooked. Sometimes it is an actual software issue. It's always more complicated than just a transformer to track for conventional runners. As soon as you add anything to the chain, it gets more complicated.
I have to laugh as our youngest grandson usually finds things faster than I do, be it a new feature, or a problem using the equipment. He is young and full of energy. So I try to be on top of things so he doesn't have to be limited. Sometimes I'm still programming a new lash-up that he requested, when he's decided to run something else. I've learned to include him now in each step of building a lash-up so he knows what it takes. That keeps him busy enough and directs his focus. It gives me time to catch up! It does also help me to forget problems of yesterday and look at what's happening at any given moment.
I just typed myself to sleep now...……...