Wacom DTF-720 User Manual page 21

Important
Do not remove the switch by prying it from either end as
this may damage your Pen.
2.
Remove the pen tip cone by turning it counterclockwise.
3.
Pull the grip forward over the pen tip. NEVER adjust the trimmer capacitor that
became visible as it is fine tuned. When using the pen without the side switch,
always istall the optional grip in order to protect the trimmer capacitor.
4.
Install the optional grip by aligning the pen case rails with the grooves inside
the grip and pushing the grip over the pen tip.
5.
Replace the pen tip cone by turning it clockwise onto the pen.
To reinstall the side switch, reverse the above procedure.
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