10
Appendices
Appendix E: System Overview & Principles
instrument optics are capable of
detecting certain colors that are
masked by or blended with other
colors to the human eye.
For this reason, exact agreement
between visual results and
instrument results might not be
found. However, agreement is
generally within one visual color
block or reported level and is equal
to or better than the agreement
between two visual readers.
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132387 Rev. A, 2003-07