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| Ultimarc U-Trak "sensitivity" problem |
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| AndyWarne:
All arcade trackballs have the same design, the ball rests on the rollers by gravity. So slippage can occur. This is worst when the trackball is very new because the curved ball surface is resting on a flat roller. After a while the roller develops a curve which the ball surface sits into. It should be OK after a while. Another factor is after a few minutes of use the roller gets a grain on its surface. This is to do with the machining of the metal which affects the surface properties. This grain soon wears away completely. Andy |
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