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• "OUT OF SPECIFICATION" and Calibrate is available: The measured value is
near the expected value. To update the user calibration press Calibrate. Press
Accept to confirm or Cancel to return to the previous screen.
• "OUT OF SPECIFICATION": A user calibration is not allowed, the measured
value is outside of the tolerance window. Check the certified value, expiration
date and clean the outside of the cuvette. Repeat the CAL Check procedure. If
this error continues, contact your nearest Hanna Customer Service Center.
6.2. GLP
key to enter the menu. Use the functional keys to select GLP and
Press the
press Select. Good Laboratory Practice (GLP) shows the date and time of the last user
calibration (if available) or factory calibration. To erase the last user calibration and to
clear the CAL Check, press Clear and follow the prompts. Press Yes to erase and return
to the factory calibration data or No to exit the clear procedure.
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