Considerations for performing a secondary span 3-28
Coefficients Page 3-29
Advanced Page 3-30
Connecting the LI-840A to the LI-1400 Datalogger 3-32
Section 4. Theory of Operation
System Overview 4-1
Optical Bench System 4-2
Section 5. Maintenance
Cleaning the Optical Bench 5-1
Changing the Fuse 5-5
Note on Infrared Source Replacement 5-6
Storing the LI-840A 5-7
Appendix A. Specifications