There is no real problem with the unit. It looks and preforms well it's just that the manual has a tough time being specific on some features. I can't seem to get the line to go from one place to the next. There is a run-way feature it almost looks like a road and you are supposed to follow the line it makes, i can't figure it out. There is a bunch of little things. It would be easier to explain if someone had the unit they would actually know what i was talking about . I am new to GPS and Radar i want to make sure that i am utilizing all the features. Thanks for the replies.Capt. Joe Haase said:what seems to be the trouble with your unit?