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Trackball upside down..question
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Kremmit:
Re-wire inside the trackball, before the USB controller gets ahold of the signal from the optic boards.  Each optic board has 4 wires coming from it:  Red (+5volts), Black (ground), and either Yellow and Green, or Blue and Brown (or Blue and Purple, I forget whether Happ or Betson has the Purple, but it's one of those).  Cut the yellow and green wires, and cross-wire them, so that the Yellow lead now connects to the Green lead's pin, and vice-versa.  Repeat for the Blue and Brown.  Done!

(Just remember to un-do it if you ever pull that unit from the upside-down panel before it gets installed someplace else.)
_) (V) (-):
Or put a little note stating what you moved inside the trackball.

Then someday when you or someone else opens it up to see WTF is wrong with the thing, you can have a warm fuzzy little time capsule moment.
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