No clue either.What happens if you leave the SPD TRANS at 250/10000 and don

I know what you mean about the 600, that's something else that really annoys me about the display. Only think I can think of, is it is something to do with my display setting of 1600 x 1200.. seems to upset quite a lot of things.. The EFIS display sometimes gets crushed up too, it's aggrivating.I've got both cargo and passenger versions and the current updates are installed.CheersCraig