To check which version of ActivPanel you are using, please refer to article 1477.
ActivPanel 3 supports the ActivPanel digital pen.
ActivPanel 2 supports the ActivPanel digital pen, although a small number of ActivPanels may require an upgrade to ensure compatibility. If you are unable to perform the following step from the User Guide, your ActivPanel 2 requires this upgrade.
Please see article 1160 for upgrade information.
ActivPanel 1 does not support the digital pen.