How do I adjust the brightness of the Arize Smart Thermostat display screen?   

To adjust the brightness of the Arize Smart Thermostat display screen Use the left < and right > arrows to navigate to the menu icon and press OK.    Use the right > arrow to navigate to the settings icon and press OK.    Use the down v arrow to navigate to Screen Brightness and press OK.      Use the up ^ and down v arrows to select which setting you want and press OK.