Helicomparator:
Just goes to show that when you think you know nearly everything, something comes along to screw it all up. I guess the lesson is that you really need to know your system in order to know what is going to work when!
And at the risk of really confusing things, there is often a difference between what the R&D community calls an attitude hold, and what the rest of the world calls it.
Know your definitions clearly!