information with infrared impulses. A foot-controlled mouse is one used on the floor underneath the desk. An optical mouse uses a light-emitting diode and photocells instead of a rolling ball to track its position. Some optical designs may require a special mouse mat marked with a grid, others, like the Microsoft IntelliMouse Explorer, work on nearly any surface.



PC Guide's "Troubleshooting Mice".

Last updated: 1999-07-21

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se button to actually affect the screen display.sl designs may require

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