Knobs and Sliders
Knobs and sliders can be unidirectional or bidirectional. Unidirectional values, for example, level values, start at a minimum value and go up to the maximum. Bidirectional controls start from the middle position and go to the left for negative and to the right for positive values.
Most of the editing methods are the same for knobs and sliders.
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Move the mouse over a knob or its parameter name to show the current parameter value.
You can adjust the value with the mouse wheel or enter a new value manually.
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To adjust a value, click a knob or a slider and drag up and down, or use the mouse wheel.
If you press Alt/Opt when clicking a knob, a small slider appears, allowing you to set the parameter.
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To make fine adjustments, press Shift, and move the knob or use the mouse wheel.
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To restore the default value for a parameter, press Ctrl/Cmd, and click on the control.