I decapitated a fresh pencil. This was Step One:

https://susepaste.org/74322261

Had some white duct tape laying around. Step Two:

https://susepaste.org/13982237

Works reasonably well. I can't really feel (or hear) the
tactile "click" for that button (probably because the rubber of
the eraser is on the soft side?) ..but the solution works "ok".

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../|ug

--- OpenXP 5.0.50
* Origin: My Westcoast Point (1:153/757.21)