Polycom SoundStructure C16 Design Manual page 86

output signals having a blue shading and outline to match the rear-panel labeling, and the submixes have
a purple shading and outline, as shown in the following figure.
Color Coding for Inputs, Outputs, and Submixes on the Channels Page in SoundStructure Studio
You can change which types of virtual channels are viewed by enabling or disabling groups, inputs, outputs,
and submixes with the controls on the top of the Channels page as shown in the following figure.
Editing Controls on the Channels Page in SoundStructure Studio
In addition, you can expand groups of virtual channels to display the individual members of the group by
Polycom, Inc. 86