Eschenbach Optik Fusion - Manual (Page 14)

Page 13
Switch to semi-color mode or back to black
and white mode.
Disable mouse button. If selected, Fusion will
ignore that keystroke.
Writing with Fusion
The Fusion Mouse has handwriting stands that can be
pulled out that allow you to write with the aid of the
camera.
Flip out one of the stands: use the left-hand-side
stand if you are right handed and vice versa.