I don't know in what format they write the file.. Problem is they give it to you the day of.. Are you doing the la to b to vegas? if so then yes I'll meet up and have set (convert) the file for me.. Yea It has an option that loads tracks.. I'm waiting for one more call from the AMA to get a final answer..
Message me your email I'll send you a bunch of diff photo's maybe by that you can guide me around the thing a lil bit.. I'm really unfamiliar with GPS I've only used the brain dead car navi systems.. LOL