# LI-600N Help Center
- [LI-600N Help Center](home.md): Product support landing page.
## Instruction Manual
- [Instruction Manual](manuals.md)
- [1. The LI-600N](topics/introduction.md)
  - [Power and battery](topics/initial-setup.md)
- [2. Using the LI-600N Interface](topics/using-the-interface.md)
- [3. Taking Measurements](topics/taking-measurements.md)
- [4. Using the Computer Software](topics/using-the-software.md)
- [5. Configurations](topics/configurations.md)
- [6. Data Files](topics/data-files.md)
  - [File Structure](topics/data-file-descriptions.md)
- [7. Troubleshooting](topics/troubleshooting.md)
- [8. Maintenance](topics/care-and-maintenance.md)
- [9. Theory of Operation](topics/equation-summary.md)
  - [Leaf Angle](topics/leaf-angle-gps.md)
  - [References](topics/equation-summary-references.md)
- [10. Specifications](topics/specifications.md)
## Videos
- [Videos](videos.md)
- [Unpacking the LI-600N](videos/unboxing-the-li-600n.md)
- [Software Overview](videos/software-overview.md)
- [Taking a Measurement](videos/taking-a-measurement.md)
- [Maintaining the LI-600N](videos/maintaining-the-li-600n.md)
## Documents
- [Documents](docs.md)
- [FlashAnalysis Application](Photosynthesis/topics/flash-analysis-application.md)
- [Setting H2O Spans with the DG-4](AppNotes/setting-h2o-span-with-DG4.md)
## Factory Recalibration
- [Factory Recalibration](LI-600/factory-calibration.md)
## Software
- [Software](software.md)