The Compaq Usb Scroll Mouse - HP Compaq Presario,Presario EZ2700 Reference Manual

The Compaq USB Scroll Mouse

The Compaq USB scroll mouse is similar to other computer pointing devices except
that it has a small wheel button between the two mouse buttons. This wheel allows
you to save time and steps by rolling the wheel on the scroll mouse forward or
backward instead of using the scroll bar.
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Features of Your Internet PC
No. Component
1
Left Mouse Button
2
Right Mouse Button
3
Wheel Button
USB Scroll Mouse
2-15