ETC ColorSource Console User Manual page 31

Trackball Pan Tilt
When selected, this button allows an attached USB mouse or trackball to control pan and tilt. While enabled,
the Trackball Pan/Tilt button will be highlighted in light gray and the mouse pointer will be hidden. Any move-
ment of the mouse or trackball will change the pan and tilt values.
To disable, click any button on the mouse or trackball.
Controlling Your Lighting System 27