Bad Calibration with Blue Light and White Halogen on and working.
With the red end of the calibration is over the amount of counts the program will process, this might be for a number of reasons, a bad light, too much light bleed-in, or some other cause. The blue end of the spectrum is within the correct amount of counts and maintains the right curve with the spike around 400 wavelength and a dip into the 420-430 range.
Bad Calibration When the blue light is off.
You'll notice the left side of the graph, the blue side isn't there, whereas the red side of the graph is at 180K counts.
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