National Instruments Xmath Interactive Control Design Module ICDM - Manual (Page 69)

Chapter 7 LQG Synthesis
Xmath Interactive Control Design Module 7-8 ni.com
Ranges
To change the ranges of the sliders or plots, select View»Ranges or enter
R in the LQG window.
The slider ranges also will be changed automatically if you type a new
value which is outside the current range into the corresponding variable edit
box. The plot also can be re-ranged interactively by grabbing and dragging
the plot axes; refer to the
Interactive Plot Re-ranging section of Chapter 2,
Introduction to SISO Design .
Selecting View»Auto-scale or pressing <Ctrl-A> in the LQG window
causes new ranges to be assigned to the sliders and plots, based on the
current controller.