> For the complete documentation index, see [llms.txt](https://docs.ceruleansonar.com/c/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ceruleansonar.com/c/ethernet-rov-locator/configuring-the-rovle/rovle-basic-configuration/poka-yoke-pin.md).

# Poka-Yoke PIN

Options not needed by users are protected by a PIN meant to prevent accidental changes to the system.

<figure><img src="/files/sKe4JTwJg2liHkrA4JxT" alt=""><figcaption></figcaption></figure>