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