</tr>
</table>
Next, open [[EM.Terrano]]'s simulation engine settings dialog again and set the value of '''Max No. Ray Bounces''' to N<sub>ref</sub> = 8. Run another SBR analysis of your indoor propagation scene and visualize the coverage maps of the two receiver sets at the first and second floors. Note that the coverage maps in this case have expanded significantly meaning the choice N<sub>ref</sub> = 4 wasn't adequate for your analysis.
==Changing the Wall Properties==