Editing Artist Help:Control Ranges (section)

=== To create a range ===

* type the name of the range in the edit box. The first letter of this name will appear in the range button and when selected it will appear in the title of the control 
* set the low limit of the range in the first of the spin-edit controls. If a Fixture is connected to the DMX line, you can observe its behavour to the set value. 
* set the high limit of the range in the second spin-edit control. If a Fixture is connected to the DMX line, you can observe its behavour to the set value 
* click store. The range will appear in the list 

You may have created a color selector using colors in the Shortcuts, but some fixtures also have a continuous rotation range. This, in addition to the color shortcuts allows you to specify the continuous rotation range.