# LI-250A Help Center
- [LI-250A Help Center](https://www.licor.com/support/LI-250A/home.md): Product support landing page.
## Instruction Manual
- [Instruction Manual](https://www.licor.com/support/LI-250A/manuals.md)
- [1. Introduction](https://www.licor.com/support/LI-250A/topics/using-the-li250a.md)
- [2. Compatible Sensors](https://www.licor.com/support/LI-250A/topics/compatible-sensors.md)
- [3. Specifications](https://www.licor.com/support/LI-250A/topics/specifications.md)
## Tech Tip: Light Meter Freezes
- [Tech Tip: Light Meter Freezes](https://www.licor.com/support/LI-250A/topics/ttp023-meter-locks.md)
## FAQs
- [FAQs](https://www.licor.com/support/LI-250A/faqs.md)