> 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/bbo-buffer-installation-manual/advanced_use/logs.md).

# Logs

Starting from v.1.0.3, BBOB collects the operation logs that can be found in /mnt/sd/logs.

They provide information about the unit operation, like app start, readings from BBO units, transmissions to B3, buffering etc.

Some examples of logs are presented below.

<figure><img src="/files/4YCon5D4KAfplRV8EY8X" alt=""><figcaption><p>App start</p></figcaption></figure>

<figure><img src="/files/JtBtqjhPkPdldpQuHy7k" alt=""><figcaption><p>B3 connection is restored and data are sent from the buffer</p></figcaption></figure>

<figure><img src="/files/Gh1lKKLwTdrvqxYllFt9" alt=""><figcaption><p>Data received from BBO and sent to B3</p></figcaption></figure>

<figure><img src="/files/RzkJ4HHScEJZ0dMNodlJ" alt=""><figcaption><p>No contact with B3, data are buffered</p></figcaption></figure>


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