How to change the Font Icons in slider

1. You should go to admin panel -> revolution slider -> edit the slider, click to a icon you want to edit.

You will see the icon code is:

<i class="fa fa-cog"></i>

Replace this icon by a new icon in (2)

2. Go to http://fortawesome.github.io/Font-Awesome/icons/, choose one icon.

Example: http://fortawesome.github.io/Font-Awesome/icon/industry/