# LI-1500 Help Center
- [LI-1500 Help Center](home.md): Product support landing page.
## Instruction Manual
- [Instruction Manual](manuals.md)
- [1. Introduction to the LI-1500](topics/introduction-li-1500.md)
- [2. Software Basics](topics/software-basics.md)
- [3. Configuring the LI-1500](topics/configuration.md)
- [4. Viewing Logged Data](topics/data.md)
- [5. Troubleshooting](topics/troubleshooting.md)
- [6. Maintenance](topics/maintenance.md)
- [7. Specifications](topics/specifications.md)
## Videos
- [Videos](videos.md)
- [Using Light Sensors with the LI-1500](videos/connect-to-li-1500.md)
- [Re-seating the SD Card](TechTips/videos/re-installing-the-sd-card.md)
## Documents
- [Documents](docs.md)
- [Installing the GPS Upgrade Kit](topics/gps-upgrade-kit.md)
- [Calculating DLI with the LI-1500](topics/calculating-DLI.md)
- [A Quick way to Merge Data Files](topics/ttp057-merge-logger-files.md)
- [Change Log](topics/change-log.md)
## FAQs
- [FAQs](faqs.md)
## Software
- [Software](software.md)