between the low and fast fan speed: at lower temperatures the fan turns at low
speed, while at higher temperatures it turns at the fast speed.

<p>In the <strong>Temp hysteresis</strong> entry you specify the temperature windows around the
Fan Off Temp and the Low Temp change points. E.g., if the current temperature is 42, the fan is
running at slow speed, the Low Temp value is 40 and the Temp hysteresis is 1, the fan will only
stop turning when the current temperature drops to 39 (Low Temp - Temp hysteresi