Press SMART Board Tools 
in the Dock, and then select Open > Spotlight in the menu bar.
SMART Notebook 10 for Mac Operating Systems
You can use the Spotlight during a presentation to draw attention to an area of the screen. You can move the Spotlight to different areas of the screen and change its shape.
NOTES
When the Spotlight is open, you can write on and interact with screen elements in the Spotlight area only.
You can also highlight an area of a page using the Magic Pen.
Press SMART Board Tools in the Dock, and then select Open > Spotlight in the menu bar.
A highlighted area and the Spotlight icon 
appear.
To move the highlighted area, press the Spotlight icon, and then drag it to another location on the screen.
To make the Spotlight larger or smaller, press the edge of the highlighted area, and then drag it outward or inward.
To change the highlighted area's shape, press the Spotlight icon's menu arrow, select Shape, and then select Ellipse, Rectangle or Star.
To change the transparency of everything outside of the highlighted area, press the Spotlight icon's menu arrow, select Transparency, and then select a percentage of transparency or Not Transparent.
Press the Spotlight icon's menu arrow, and then select Quit.