To zoom in on a Peranso window, click and hold the left mouse button, while the mouse cursor is over the plot area of the window. While moving the mouse, with the left mouse button still pressed, a rubberband rectangle appears. Release the left mouse button when the rectangle contains the area of interest. The window will be redrawn to depict the selected area.

To zoom out again on a Peranso window, double click the left mouse button. This will redraw the window, zooming out on both the X and Y axis by a factor of 2.

To quickly redraw a Peranso window showing all data, click the Full View button in the toolbar of that window.