# Page Not Found

The URL `6-built-in-effects/6.9-flanger` does not exist.

You might be looking for one of these pages:
- [Flanger](https://docs.lmms.io/user-manual/effects/flanger.md)
- [GIG Player](https://docs.lmms.io/user-manual/instruments/gig-player.md)
- [SF2 Player](https://docs.lmms.io/user-manual/instruments/sf2-player.md)
- [Amplifier](https://docs.lmms.io/user-manual/effects/amplifier.md)
- [Equalizer](https://docs.lmms.io/user-manual/effects/equalizer.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.lmms.io/user-manual/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.lmms.io/user-manual/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/user-manual/effects/flanger.md`)
- Use `Accept: text/markdown` header for content negotiation