This menu contains the settings for a surface.
Changing number of rows and columns will cause loss of measurement data for this segment. However, editing the area of the individual segments is perfectly safe.
Edit the number of segment rows that make up the surface.
Edit the number of segment columns that make up the surface.
Tap into a segment to change the dimensions/area of the segment.
The surface area will not change when editing the area of each segment. The indicated surface area is the result of the total dimensions. For measurement functions such as Lw, the total levels will be correct, and independent of the displayed surface area.

Defining a measurement surface

Measurement surface theory

Intensity theory

Getting started with Sound Intensity

Sound Intensity help index