# How to use a temperature element different from type K

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Only applicable for NEON Temperature Transmitters using protocol v3 and v4
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The NEON Temperature Transmitter is configured by default to use a type K thermocouple. Using another temperature element is possible by changing the configuration of the transmitter once provisioned. The configuration can be changed by generating a downlink using the [NEON configurator](https://neon-configurator.twtg.io/) and sending the downlink using the LoRa Network Server (LNS).

### Protocol v3

In the **Application Configuration** tab, in the field **Sensor Type** change the selection to the desired temperature element. 

<figure><img src="https://3244664496-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmA7CIluFghEyu6utdk9z%2Fuploads%2FUmaC13Ke0ClHrkCNQ8yl%2Fimage.png?alt=media&#x26;token=f9848ea7-fd89-46d0-b073-8bab65add51a" alt=""><figcaption><p>Example of Sensor Type being changed</p></figcaption></figure>

Click **Encode** and send the downlink to the device through fPort 15. The device will reboot once the downlink is received changing its configuration.

### Protocol v4

In the **Sensor** tab, in the field **Sensor Type** change the selection to the desired temperature element.&#x20;

<figure><img src="https://3244664496-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmA7CIluFghEyu6utdk9z%2Fuploads%2FasbAQUkXguZ2CYAke1vX%2Fimage.png?alt=media&#x26;token=6885a323-c062-4ed2-94b1-1f41fa2bfae6" alt=""><figcaption><p>Example of Sensor Type being changed</p></figcaption></figure>

Click **Encode** and send the downlink to the device through fPort 7. The device will reboot once the downlink is received changing its configuration.