I just simulated exiting the start cylinder and then reentering it. I used the various options. I like the method where you arm the start and then the other cylinders auto advance. When you reenter the start cylinder LK8000 reminds you to rearm start. I can't think of anything more intuitive than what you guys already have.
With SoarPilot it would occasionally restart the task if you crossed the start cylinder later in the task. I disliked that feature and was unable to work around it. Manually arming the start such as in LK8000 prevents the computer from giving me a restart without my desiring it.
I vote that the cylinder advance options are left "just as they are". Maybe rename "Advance Start" to "Arm Start" and "Advance Restart" to "Arm Restart".
We are not talking about removing anything here. I bet that most of you are happy with either 'Arm Start' or 'Auto' and I pretty sure that most of you use 'Auto' because it is much easier to use for cross country flying or RT competition tasks. The problem is that for AAT task you have to use 'Arm' an that means that all task points have to be armed manually. As it has a lot of sense in case of AAT turnpoints there are a lot of pilots that would like to see 'Auto' like behavior on start and there is no such mode in LK for now. It is why soarAK suggests adding a new mode that may be vital for flying AAT tasks. And in fact he is not the first one requesting such a change.
'Auto' mode starts/restarts the task each time you cross the start line and you do not have to bother about that at all. 'Arm' lacks that feature that may be really useful in crowded start sector of AAT task on competitions.