... it is worth noting that the word appears several times in both the Owners and Members Manuals where it is made clear that it is a More function.
... Yes, but unless it's illustrated many people will not know what it looks like.
More is the name of the function, the more menu.
Hamburger menu is the name of the icon, the visual representation. So an image of a hamburger menu icon will be needed to give the reader that "aha" moment.
