You can use
your finger to interact with the projected screen, just as you
would use an interactive pen (BrightLink Pro 1430Wi)
You can use either a pen or your finger, or use both at the same
When performing touch operations with your finger, you can use
two fingers in annotation and whiteboard modes.
Note: Finger touch
operations may not work correctly with long or artificial nails, or
fingers wearing bandages. If your fingers are too close together or
crossed, or your sleeve touches the screen, finger touch may not be
recognized. Some operating systems may not support gestures.