The
signal generator slider (shown at the bottom of the figure below) and WinMLS
mixer input and output level sliders can be set using the mouse, but moving only
one step may be difficult with the mouse. To move in single steps, do the
following:
First click on the slider to set it active (a dotted border around the slider tells that it is active, see the figure to the right). Then use the arrow keys on the keyboard to move in single steps.