# LI-8250 Help Center
- [LI-8250 Help Center](home.md): Product support landing page.
## Instruction Manual
- [Instruction Manual](manuals.md)
- [1. Introduction](topics/introduction.md)
  - [Examples: Soil and Canopy Chambers](topics/configuration-examples.md)
  - [Examples: Flasks and Other Chambers](topics/configuration-examples-flasks.md)
- [2. Getting Started](topics/getting-started.md)
  - [Attaching Gas Analyzers](topics/connect-gas-analyzer.md)
  - [Attaching Chambers and Manifolds](topics/connecting-extension-manifolds-and-chambers.md)
  - [Powering the Multiplexer](topics/powering-on.md)
  - [Configuring SDI-12 Sensors](topics/sdi-12-console.md)
- [3. Deploying the System](topics/field-deployment.md)
  - [Long-term Soil Chambers](topics/using-long-term-chambers.md)
  - [Automated Canopy Chambers](topics/using-automated-canopy-chambers.md)
  - [Using Sensors with Chambers](topics/connecting-sensors.md)
- [4. Using the Calibration Manifold](topics/using-the-calibration-manifold.md)
- [5. Using the Flask Sampling KIt](topics/using-flask-sampling-kit.md)
- [6. Using Custom Chambers](topics/custom-chamber-connect.md)
- [7. Working with Data](topics/working-with-data.md)
  - [Summary of Data Files](topics/results-dictionary.md)
  - [Data Dictionary](topics/data-dictionary.md)
  - [Metadata Dictionary](topics/metadata-dictionary.md)
- [8. Troubleshooting](topics/troubleshooting.md)
  - [The Leak Test](topics/leak-test.md)
- [9. Maintenance](topics/maintenance.md)
  - [Long-Term Chambers](topics/maintenance-ltc.md)
  - [Updating the Firmware](topics/maintenance-software-updates.md)
- [10. Tour of the Interface](topics/user-interface.md)
  - [Home Page](topics/home-page.md)
  - [The Workspace](topics/workspace-tour.md)
    - [Mulitplexer Blocks](topics/configure-mux-block.md)
    - [Sampling Sequence Blocks](topics/configure-sampling-sequence-block.md)
    - [Calibration Sequence Blocks](topics/configure-calibration-sequence.md)
  - [Files Page](topics/files-page.md)
  - [Diagnostics](topics/diagnostics.md)
  - [Tools](topics/tools-menu.md)
  - [Settings](topics/settings.md)
- [A. Soil Gas Flux Measurement Theory](topics/theory.md)
  - [Deriving the CO2 Flux Equation](topics/deriving-the-flux-equation-co2.md)
  - [Measuring Net Carbon Exchange](topics/net-carbon-exchange.md)
- [B. Connecting to a Cellular Modem](topics/connecting-to-a-modem.md)
- [C. Configuring a Remote Server](topics/configure-remote-server.md)
- [D. Other Gas Analyzers](topics/connecting-other-gas-analzyers.md)
- [E. Making Collars](topics/making-soil-collars.md)
- [F. Specifications](topics/specifications.md)
## Videos
- [Videos](videos.md)
- [Unpacking the LI-8250](videos/unpacking-the-instrument.md)
- [Unpacking 8200-104 Chambers](videos/unpacking-the-chambers.md)
- [Getting Started](videos/overview.md)
- [Connecting Soil Probes](videos/connecting-soil-probes.md)
- [Connecting Light Sensors](videos/connecting-light-sensors.md)
- [Taking Measurements](videos/taking-measurements.md)
- [Maintaining the Multiplexer](videos/maintaining-the-multiplexer.md)
- [Maintaining Long-term Chambers](videos/maintaining-the-chambers.md)
- [Replacing the Multiplexer Pump](videos/replacing-the-pump.md)
- [Replacing the Chamber Shaft Seal](videos/replacing-the-chamber-shaft-seal.md)
## All Documents
- [All Documents](docs.md)
- [Using the LI-190R](topics/install-li-190r-to-8200-104-c.md)
- [Using the LI-200R](topics/install-li-200-r-to-8200-104-c.md)
- [Using Custom Chambers](topics/app-note-custom-chamber.md)
- [Custom Chamber Control System](topics/app-note-standalone-chamber.md)
- [Installing the Flask Sampling Kit](topics/install-flask-sampling-kit.md)
- [Using the Flask Sampling Kit](topics/app-note-flask-sampling-kit.md)
- [Atmospheric Profile Measurements](topics/atmospheric-profile-measurements.md)
- [Swapping Chamber Bowls](topics/swap-chamber-bowls.md)
- [Replacing the Chamber Shaft Seal](topics/replacing-the-chamber-shaft-seal.md)
- [Change Log](topics/change-log.md)
- [What's New](topics/whats-new.md)
## FAQs
- [FAQs](faqs.md)
## Software
- [Software](software.md)
## Factory Service
- [Factory Service](factory-calibration.md)