The extension is not a Hackmaster extension. The manual explains in detail how to put the protector onto the area. The setup wizard is excellently done.
Next step is calibration.
This consists of tapping on three spots of the board, Setup is now done, but both of these functions are available in the preferences panel. Then come some useful tips and FAQs regarding using silkscreen buttons, punctuation shifting. SilkyBoard preferences You probably want to know what typing on it is like. The Silkyboard interferes very little with operation of the Graffiti area. The silk button locations are labelled in English, and a modified stroke gives you access to the button's functionality.