And the on-going process, which I probably have to use about 50% of the time, is finalizing level. I think that the majority of the time, it is because the site is not sufficiently level for the auto to do the job...may be wrong, but doesn't really matter. You have the option to make it as "perfect" as you want...and as some suggest on here that they need (I guess they can fell that last 0.3 degrees off balance