BrewEasy Water Volumes

Need a little help from anyone who maybe has worked on a brew easy system.  I am going into LHBS tomorrow to brew on their Breweasy system and give it a test ride before considering purchasing one down the road.  I have an Oatmeal Stout recipe planned but was curious how calculations for water volumes work on that particular system.  Should I just default to the BIAB settings on beersmith or is there a more specific recommended ratio of water to grain recommended?

Beersmtih has breweasy profiles in the “add ons,” but it’s basically a full volume BIAB process.