ITC ProTime Microcoagulation System - Manual (Page 13)

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• It takes only a few seconds for ProTime to draw the blood into the cuvette. Watch the
screen for the next prompt.
7. Remove Tenderlett Plus
Remove Tenderlett Plus immediately when prompted to do so.
CAUTION: Failure to do so will result in an error message. ProTime allows you six
seconds.
• Do not press the button after the Tenderlett Plus is removed from the ProTime
instrument while you are testing your INR. This will interrupt the test procedure, and you
will have to start over with a new blood sample.
• The instrument then progresses to the test and displays the TESTING screen.