The template comes with an moduleposition called "menu".

1. To display your main menu module on this position log into your backend and click on "extensions->module manager".
2. Select your main menu module from the list and hit the "edit" button in the upper right corner. The main menu module setup screens appears.
3. Select as moduleposition "menu" and save the changes.
4. To activat the "Suckerfish" drop down function for sub menu items click on "Module Parameters" in the right column and activate the "Always show sub-menu Items" function.
5. Than click on "advanced Parameters" and use the module parameter > menu class suffix < [space] mobilemenu
6. Save the changes.

Make sure that the module is published on all home- and subpages and that no other module is published on the "menu" module position.