Necessary Files
Files required for the template to function:
Additional Files
Ancillary files for the template:
Install from Admin → Extensions → Install/Uninstall → Choose File → Select file → Upload File & Install

Make the template default at Admin → Extensions → Template Manager → rt_zephyr_j15 → Default
RocketLauncher is a customized Joomla install, that installs a replica of the demo onto your site - inclusive of sample data, content, extensions, the template and sample images.
Access the Style Control settings from Admin → Extensions → Template Manager → rt_zephyr_j15 → Settings. Located here are both the Color Chooser and Other Style Controls settings.

The options are as follows, and the areas that they control are indicative in their name:
With Gantry, the ability to assign a certain style to an individual page has never been easier and/or more efficient. Just follow these simple steps:
Go to Extensions → Template Manager → rt_zephyr_j15 → Menu Control to find all the parameters for Fusion Menu and Splitmenu, such as transitions, duration and sublevel position.
Fusion Menu is a menu theme of the RokNavMenu extension, the addon that drives all RocketTheme template menus. It is primarily a javascript enhanced CSS dropdown menu, that combines standard suckerfish type functionality with animations, transitions and other advanced effects provided by Mootools.
New Features
In Zephyr, Fusion Menu has been extended with the following features:
Recurring Features
Below is a list of the standard, recurring features of the Fusion Menu:
A static menu system that displays submenu items outside of the main horizontal menu and the 2nd level items in the Sidebar.
Template Configuration: Splitmenu
Go to Extensions → Template Manager → rt_zephyr_j15 → Menu Set Menu Control to Type : Split-Menu, to load all the Splitmenu parameters.
Menu Item Parameters: Subtext
Subtext Line is the option that allows you to insert additional text to the Menu Item Title. There is separate styling for this, making it useful for adding brief descriptions to menu items.
Code Modification: Remove the Menu in the Title
Open /templates/rt_zephyr_j15/html/modules.php and change:
<?php echo $menu_title_item->name.' '.JText::_('Menu'); ?>
To
<?php echo $menu_title_item->name; ?>
Go to Admin → Menu → A Menu → A Menu Item → Select a Parent Item, and it will appear as a child of it.
This is the Popup Module feature. Assign any module to the popup module position, and ensure that the Popup Feature is enabled in the Gantry Administrator.
You can configure its height and width from the Gantry Administrator.
More Information