Yes, it's complicated...
This is definitely a great gadget. It does everything it says it will. You MUST follow the directions for firing up the GPS, making sure it's in the 1 sec update mode. If not, mine goes immediately into "pause" mode and won't acquire satellites. All the other features work just like you think they would. I don't think that the menus are that bad, certainly no worse than some other multifunction watches I own. It is very accurate so far, even when driving in the car.