The temperature sensors (Inputs) can be activated by checking the box.
<br /><br />
<table>
    <tr>
        <th>Parameter</th>
        <th>Permitted values</th>
        <th>Default value</th>
        <th>Range</th>
        <th>Description</th>
    </tr>
    <tr>
        <td>Switching threshold</td>
        <td>20 °C…60 °C</td>
        <td>35 °C</td>
        <td>1 K</td>
        <td>If the switching threshold is exceeded the fan will be controlled.</td>
    </tr>
    <tr>
        <td>Hysteresis</td>
        <td>0 K…-10 K</td>
        <td>-5 K</td>
        <td>1 K</td>
        <td>The fan is switched off if the temperature has dropped about 5 K.</td>
    </tr>
</table>
<br />
<b>Example:</b>
<br />
<table>
    <tr>
        <td>Sensor</td>
        <td>active</td>
    </tr>
    <tr>
        <td>Switching threshold</td>
        <td>40°C</td>
    </tr>
    <tr>
        <td>Hysteresis</td>
        <td>-10 K</td>
    </tr>
</table>

At 41 °C the fan is controlled.
If a temperature of 30 °C is measured the control will be switched off.