[PLUG] Trackball ball movement not smooth

Dick Steffens dick at dicksteffens.com
Fri Sep 20 14:48:14 PDT 2013

On 09/20/2013 02:22 PM, Chris Schafer wrote:
> Most made in recent time have been optical.  Usually a laser against a ball
> and the ball just floats on little bits of plastic.  If yours is mechanical
> it could be quite old.

Old, but not that old.



Dick Steffens

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