> For the complete documentation index, see [llms.txt](https://brightwind.gitbook.io/brighthub-user-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://brightwind.gitbook.io/brighthub-user-docs/reference-user-manual/setup-tab/logger-main-configs.md).

# Logger Main Configs

The logger main configs tab details how the logger settings have been configured over time.\
\
You can capture details including the logger model, serial number, logger firmware version, Date From and Date To, Offset from UTC and Averaging Period for each logger config.\
Configuration changes that are captured in the logger files should be detected automatically and handled by BrightHub.\
A new logger main config is added to the table when changes are detected, for example when:

<figure><img src="/files/JW4d5PWk9bz3gMB7Ijkp" alt=""><figcaption></figcaption></figure>

* The logger is replaced
* The logger firmware is updated
* The Offset from UTC (timezone) programmed in the logger changes
* The averaging period in the timeseries data changes.

The Notes field can be used to describe changes in the logger configuration, for example a note could be added to make it clear that a logger was replaced.\
For LiDAR, the logger configs should be updated to specify whether Flow Corrections were applied. This is done by clicking the downwards arrow on the left of each row in the logger main configs table.<br>

<figure><img src="/files/R32X66f2cNn5xqGd8CBf" alt=""><figcaption></figcaption></figure>


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