Dell S510 User Manual page 52

About Your Interactive Pen (Only for S510)
You can navigate, select, and interact with your computer programs from the
projected screen using the interactive pens just as you would a mouse.
1 Power switch
2 Power indicator
As you turn on the pen, the power indicator flashes a few seconds
and goes off.
Green: Normal operation
Red: Battery is low
No light: Battery is empty
3 Wrist strap holder
4 Battery compartment access. Turn to open and replace batteries.
5 Pen tip
52 Using Your Projector
5
3
4
2
1