Sounds like a challenging site for your first run with the 600 as old homesites have a lot of iron.  A milk run park or beach coin hunt would be advised to get used to the tones.  But if this is an opportunity/permission not to be missed, I agree with the advice to keep it in Park 1 or 2.  Let me give you a quick rundown on the two modes so you can make your own call.  Whichever mode you choose, I advise sticking with it for the entire hunt and avoid the temptation to "mode hop".  Even though bo