iv
Notes on Safety
This LI-COR product was designed to be safe when operated in the manner described in this manual. The
safety of the product cannot be guaranteed if the product is used in any other way than is specified in this
manual.
Equipment markings:
The LI-7550 is marked with this symbol for a chassis ground connection.
Manual markings:
Warning: Warnings are to warn about the possibility of minor injury to yourself or others.
Caution: Cautions must be observed in order to prevent damage to your equipment.
Important: Important indicates information that will help prevent procedural mistakes in the
operation of the equipment or related software. Failure to comply may result in poor
experimental outcomes but will not cause bodily injury or equipment damage.
Note: Notes contain important information and useful tips on the operation of your
equipment.