Go to Extensions → Template Manager → (J15) rt_halcyon_j15 or (J17) rt_halcyon. Mouseover the labels to view a description of each parameter.

General Documentation

There are several sites which offer a range of useful resources for using Joomla, beyond the specifics of the template:

• http://help.joomla.org — Basic Joomla Documentation
• http://docs.joomla.org — Joomla Documentation Wiki
• http://forum.joomla.org — Joomla Community Forum