Most configurable parameters in this program become accessible through special rectangular control boxes. They all work the same way: To change a parameter, grab the number with a left-click and drag the mouse either upwards or downwards. Dragging upwards lowers the value, dragging downwards does the opposite. To traverse larger ranges, move the mouse horizontally, too. The larger the horizontal distance between the displayed number and the actual mouse position, the larger the intervals between the successive values. A right-click will the revert the value to its default setting. An exception are those controls, that are surrounded by blue frames. Those with one frame only are menu buttons. Simply click on them to open a popup menu with all possible values listed and choose one of them. Those with two frames around them are simple push buttons.