ETC Cobalt Family v7.1.0 - Manual (Page 494)

Cobalt 7.1 - 20140612
493
Selecting channels with mouse
Click on a channel to select or deselect it, and hold SHIFT and click on a channel to make a THRU
function. In channel layouts you can click on a bar or box to select all channel on/in it.
Double-click a channel to select just that channel.
Right-click in a channel view to open the context menu with channel functions