I think you will enjoy your membership. There are many other members happy to provide assistance for any issues you may have, and those that may need information you bring. A lot of good information is already stored in existing threads.
Couple easy things:
1.) The search Icon is your friend. It's the magnifying glass near the upper right of the screen when you scroll all the way up. It can find many answers you will never find by yourself.
2.) Be aware that you won't always get a quick response. There are times when many other members are on line, and sometimes only a few. A response may not show up until the right person sees it.
3.) Be aware the forum is Global. If you are exchanging with a member on the other side of the world, response can get delayed and out of sequence due to a difference in local time.
4.) Although the Forum is global, the language is English. It is customary to translate other languages to English. Many members also include the original language post to help alleviate translation errors.
5.) Review the forum rules (on the bottom right). There are not too many, but it is important they are followed to keep the Forum a useful and happy place for everyone.
As for your answer.
Boat mode is only available through beta firmware and apps. For more info, follow the link below.