# LI-870 Help Center
- [LI-870 Help Center](home.md): Product support landing page.
## Instruction Manual
- [Instruction Manual](manuals.md)
- [1. Overview](topics/overview.md)
- [2. Using the LI-870 CO2/H2O Analyzer](topics/using-the-870.md)
- [3. Troubleshooting](topics/troubleshooting.md)
- [4. Maintenance](topics/maintenance.md)
- [5. Specifications](topics/specifications.md)
## Videos
- [Videos](videos.md)
- [Connecting the USB Cable](videos/connecting-the-usb-cable.md)
## Documents
- [Documents](docs.md)
- [Using the LI-870 as a Stand-alone Analyzer](topics/stand-alone-analyzer.md)
- [Measuring CO2 from Small Samples](LI-850/topics/measuring-co2-in-small-gas-samples.md)
## Software
- [Software](software.md)