Various events and notifications in Atlantis can be associated with sounds. For example, the typewriter sounds might be played when you type text in Atlantis, or a sound might be played to warn you that the Caps Lock has been toggled.
By default, the setup file of Atlantis installs the "Basic" sound scheme. It includes sounds for a number of events (including the typewriter sounds). But you can also download additional sound schemes from our site, or assign your own sound files to various events in Atlantis.
To customize the sound settings of Atlantis, choose the Tools | Customize | Sounds... menu
The main menu or simply menu is a horizontal bar with clickable commands anchored to the top of the main window of Atlantis: