If the nav unit you have is anything like the GX470 unit, your right, its not user friendly.
I consider my a quick learner concerning computer & electronics, and seldom have to open the book on operating a unit. I found that reading the book on the GX470 NAV (and all the car tibits for that matter) is a must, and once you do, while practicing with the unit everytime you drive, itll become easy and enjoyable. It is an impressive unit with lots of capabilities Ive found.
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Agreed. As they say, "nobody was born knowing", so read, read, read. :)