TCC Curve Styles
You can change the default format (color, lines, weight) of the curves that are plotted for various devices. To change the default color of any device, select that device in the Curve window of the dialog, and select Change for the order of the curve. The order of the curve, 1, 2, 3, etc., is the first, second, third, etc. curve plotted for the same type of device.
Figure 1: TCC Curves Style Tab of Coordination Options Dialog Box