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discussion of the theory and interpretation of results is provided in the Vision manual.
7.2.1 Performance Test
Performance Test is a comprehensive test of instrumental performance, and is the final assurance that
the instrument is ready to run samples. The key items verified during this test are:
• Instrument Noise in each of four wavelength regions
• Internal Wavelength Performance (wavelength positions on non-traceable, internal reference
materials.)
• Internal Wavelength Precision (Repeatability)
• NIR Gain
• Visible Gain
The test is initiated as follows:
Select Performance Test from the
Diagnostics menu. Click on Run
Performance Test.
As the test runs, a screen like that shown below is displayed. This shows the first of ten sets of scans
from the test.
Because only the right two quadrants of the screen will be updated, many users “pull the screen
over” to see better, as shown on the next page.
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