| 摘要 |
A control panel and method for using the same for controlling a device attached thereto is disclosed. The control panel includes a touch screen and a widget implemented on the touch screen. The widget controls a parameter in a device that is controlled by the control panel. The widget responds to first and second gestures. The first gesture sets a value for the parameter, and the second gesture alters a function that determines a relationship between the first gesture and the value. The touch screen may include an overlay that restricts the position of the widget and/or provides tactile feedback to a user while the user executes the first gesture.
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