Ocean Optics Jaz Absolute Irradiance - Manual (Page 17)

JAZ-A-IRRAD-02-201011 11
Chapter 3
Jaz Setup for Absolute
Irradiance
Overview
Once you have the calibration file and know the surface area of your probe you are ready to set up Jaz to
measure absolute irradiance. To do this, you must set the desired parameters in the config.txt file, then
copy your settings to the SD card. You must also copy the calibration file to the SD card.
The SD card has the following file structure:
//JAZ (folder) //irrad0_0000 (folder) This is where your data will be saved
//absirrad (folder) absirrad (file)
//Jaza0011 (folder)
Cal.txt (file)
Config.txt (file)
Optionally (multichannel spectrometers) //Jaza0012 (folder)
Cal.txt (file)
Config.txt (file)
…
etc.
Configuring the Config.txt File
The config.txt file for each Jaz module contains the configuration parameters and default parameters for
that module. This file will allow you to start up Jaz with your settings so that you can immediately start
measuring in the field.
You can view and change the config.txt file settings in the directory of the Jaz module (listed by serial
number) you are using to measure absolute irradiance. To do this, use Notepad or some other text editor
to open the config.txt file. Do NOT use Word as this program will corrupt the text file.
Note
The int_sphere and collection_area fields are required if the int_sphere field is set to NO.
All other fields are optional.