1. If you want to preview the effect: select one setting file, click on the apply icon, and choose the color mode you would like to save it to (Gamer 1, 2, or 3). A preview screen will show up where you can either apply or cancel this new setting.
2. If you want to apply it without preview: Right click on a setting file and select 'apply,' or simply double click on a setting file. and choose the color mode you would like to save it to (Gamer 1, 2, or 3). This new setting will then be applied.