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What does the purple color in the O.K. indicator and the green color in the END indicator mean?

April 26, 2017color indicator mean Purple

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What does the purple color in the O.K. indicator and the green color in the END indicator mean?

2 Answers

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The purple color means that the test has begun to work. The green color means that the test is done and you can now read the cassette and use the Result Chart. Remember, only the END indicator turns green. The peak does not turn green. If you do not see color changes, call the Help Line (1-800-421-6736).

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A. The purple “O.K.” color means the test has begun to work and is proceeding normally. The green “END” color means the test is finished developing and the test result number can be read at the top of the purple bar in the measurement scale.