If you have used Notation Mixer v.1, the first thing you'll notice about Notation Mixer v.2 is a complete redesign of the interface.
The Notation Mixer interface is divided into three sections: 1) the navigation bar, 2) the notation window, and 3) the information/global settings bar.
The navigation bar is located along the top of the Notation Mixer. It includes:
Chapter II describes each of these in detail.
The notation window is the main notation viewing area. See Chapter III to learn more about how notation viewing works.