You can easily adjust the values represented by each color on the heatmap visualizations. This can be useful if you have a situation where you don’t have a lot of color variation on your map and you want to make the subtle differences more evident. Or when you have a particular signal or noise level cut-off point and want to be able to highlight all areas that fall below that point.
To change the values, click on the Visualization Configuration gear icon, located to the right of the Visualization drop-down menu. There is a different configuration box for each visualization.
Since the maximum speed value was increased to 1 Gbit/sec, clicking the trackbars with ALT button down now lets you change the values 1 value at a time (1Mbps in the following screenshot):