PolyVision
33
Spotlight and reveal options
5. To enlarge or shrink the circle, drag it from any point around the
edge except the four cardinal points.
To remove the spotlight:
Ŗ
Tap the red control icon again.
Revealing your work
To use the reveal tool:
1. Configure the red pen color for the reveal option. (Refer to
"Projection options" on page 40.)
2. Tap the red control icon.The screen becomes black except one strip
at the top.