How do I change the Gradient’s system mode?

1. Open the Gradient app. 
2. At the home screen select the unit you desire.
3. At the Set Temperature screen click the button below the word Mode. (This button will either say Cool, Heat, Smart, or Fan Only.
4. Once you have clicked the mode button a list of modes will appear.
5. Click on the desired mode and the Gradient unit will change modes.

The mode has been changed!