It has to be said that the RM1x manual has never been plain sailing. However, the more I read the QY100 manual the more the RM makes sense. The two are very similar beasts. I've just spent the best part of two hours writing a little test track on the RM to see if I could get my head around it finally. I'm pleased to announce that I think I've cracked most of it. To that end the QY had better hurry up. I can't wait to play.