If the pens are causing interference or unwanted
effects, try the following solutions:
-
When both
pens are used at the same time, make sure they are approximately 4
inches (10.16 cm) apart.
-
Do not
rest the pens on the image area of an interactive table, to avoid
interference with your computer's mouse.
-
Make sure
that nothing is blocking the direct line to the infrared site.