Warranty and Service Work
How do I return a meter for servicing?
Battery Packs
How do I store and care for my rechargeable battery pack?
C-Star
My new C-Star has a 6-contact bulkhead connector. How do I get an adapter cable to connect it to my existing system? (pdf technical note)
ECO Meters
Getting Started
What is the fluorescent stick that came with my meter used for?
Setting up and Operating your Meter
How do I get started using my new ECO?
How do I retrieve data from my meter?
How do I change the settings using ECOView?
How do I save meter settings in ECOView?
What does the output file look like?
What are device files and which one should I use?
Example setup parameters
How do I use a terminal program?
General ECO FAQs
How do I care for the bio-wiper on my meter?
How can I prevent biofouling on my meter?
What kind of batteries does my meter ship with, and how do I calculate battery life?
How do I replace the batteries?
Where can I recycle dead batteries?
How do I check the settings of each meter in my VSF3?
What potential pitfalls or hazards do I need to be aware of when using my meter? (summary of notes, cautions, and warnings in ECO user's guides)
Beam Attenuation Meters
How to choose a pathlength (ac and c meters)
ac Protocol Document: Characterization, field measurements, and data analysis protocol
An Introduction to In-Situ Absorption and Attenuation Meters (Powerpoint Presentation)
Information about accpetance angles for beam attenuation meters (Word)
IOP Tutorial on Primary Data Processing (Powerpoint Presentation)
Deriving the vertical diffuse attenuation coefficient (Kd) from the absorption coefficient (a).
Technical note for command line configuration changes. 
