# Bottom bar
The bottom bar is visible on every page. It contains the Measure, Stop, Empty, and Clean buttons that you know from your BactoBox® device itself.
If a program runs, the bottom bar shows its progress and result.
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# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://help.sbtinstruments.com/encyclopedia/software/access/components/bottom-bar.md?ask=
```
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The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.