Quote:
Originally Posted by HarryT
It was the "pivoting paging buttons" thing that confused me. Pivoting in what sense?
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The buttons aren't really buttons but rather short levers that rotate when you press down on them. That is unlike typical paging buttons that move up and down along a vertical axis. It is what allowed such thin buttons to have a measurable travel.
And I looked it up it: it was the K3.
Here's a pic:
https://marco.org/media/2011/10/79-k...comparison.jpg