> For the complete documentation index, see [llms.txt](https://help.boomerang3.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.boomerang3.com/s2-radio-system-manual/tools/s2-init-node.md).

# S2 Init Node

S2 Init Node is used to set the Radio Net ID and Node ID of the S2 node. 

All the nodes after production have the same Radio ID = 1 and Node ID = 1.

A zip with the tool can be downloaded from: 

<https://icuscandinavia060.sharepoint.com/:f:/s/Technicalfile/Emum8KA_avFDjHGpl-I_2fwB1Ngk_YZD9w-veUm_21nZ_w?e=qYCYfl>

To program the node:

* Unzip the files.
* Double click S2 Init Node.exe to run it.

<figure><img src="/files/QPt6Qhajq309rJg2dn37" alt=""><figcaption></figcaption></figure>

* Select the correct COM port.
* You may use "Check current settings" to read the parameters from the attached node.
* Select the Radio Net ID using "Net" select box.
* Select the Node ID using "Node ID" select box.
* Click "Init" to store the new values.
* You may use "Check current settings" to read the parameters again.&#x20;
* Some of the node types store the sensor calibration adjustment. Depending on the situation you amy want keep or reset this value using the "Reset calibration" checkbox.


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