> For the complete documentation index, see [llms.txt](https://support.4cast.world/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.4cast.world/8.-reference.md).

# 8. Reference

Quick-reference material, supported formats, and solutions for common issues.

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#### In This Section

* [**MIDI Reference** ](/8.-reference/midi-reference.md)— Channel assignments, note mappings, and CC numbers
* [**Supported Video Formats**](/8.-reference/supported-video-formats.md) — Codecs, containers, resolutions, and frame rates
* [**Troubleshooting**](/8.-reference/troubleshooting.md) — Common issues and solutions for video, lighting, MIDI, and connectivity
* [**FAQ**](/8.-reference/faq.md) — Frequently asked questions