> 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/sonarview/app-bar-controls.md).

# App Bar Controls

The App title bar has several controls common to most views. 

<figure><img src="/files/gWHGz6N9ijfsdWwIA7hD" alt=""><figcaption></figcaption></figure>

If no devices have been connected, and no replay files are open you will see this dialog which doubles as an explanation of the icons and offering all the ways to proceed.

<figure><img src="/files/Dm0O02hFpu8ZnG9xRhUF" alt=""><figcaption></figcaption></figure>