To create an annotation, the scorer can use annotation mode.
There are 2 methods to enter annotation mode.
1. Double click on the signal
2. Right click on the signal and select Annotate
The video below shows both methods.

You can exit annotation mode by pressing the ESC key on your keyboard or by clicking the "x" button on the Annotation Options menu.
Once in annotation mode, left click and drag to create an annotation.
