INFORMATION - HELP
Brings up this screen in the information window or the news if this screen is already active.
Zooms into the map by a factor of two, onto the approximate center of the screen. The plus in the lens becomes a minus then, allowing you to zoom out again.
Toggles the map fog, to make things of the other layers below easier to see on the map.
Toggles icons on the map that diplay the locations of things like in the legend below.
Toggles the display of the names of map squares. Where possible, these are actually room names.
Toggles the map grid, showing the border of sqares/rooms and the links to adjacent ones.