1. Raise the fan slider to increase fan speed, lower to decrease.
2. For the fan, four speeds are available: Low 1, Low 2, Medium low 3, Medium and 4, High.The bottom position is OFF.
3. The light slider is a dimmer, the bottom is OFF, raise to increase intensity of the light.
4. The toggle switch is a separate preset controlturns both the fan and light off or on to the current setting.