17▼▼▼Example:Expiry dateMarch 31, 201018CalibratingYour MonitorHow to Recall the LOT Number or Calibration Code1 To recall the glucose LOT number, Press and Hold thebutton. While holding the button, Press and Holdthe button.The Display Check shows on thedisplay window, then the glucoseLOT number shows with thetime, month, and day of the mostrecent glucose calibration.2 After the glucose LOT number is displayed, you canrecall the blood β-Ketone LOT number. Press andRelease the button or the button.The β-Ketone LOT number showswith the word “CODE”, the time,month, and day of the most recentblood β-Ketone calibration.Note: If the LOT number that shows on your monitor’s displaywindow is not correct:What It Means:Your monitor may not be calibrated for the box of teststrips you are using.What To Do:• Re-calibrate your monitor.• Check that you are using the calibrator that came inthe box of test strips you are using.Remember, improper calibration will causeincorrect results.3 Press and Hold the button toturn your monitor off.MonitoringBlood GlucoseCHAPTER 4Monitoring YourBlood GlucoseWhat You Will Need• Blood glucose test strip with its instructions for use• Precision Xtra monitor calibrated to match the LOTnumber of the blood glucose test strip you are using• Lancing device and a new, sterile lancetImportant Information about Monitoring YourBlood Glucose• For more detailed information about your test strip,please read its instructions for use before monitoring.• Do not use out-of-date test strips.Check the expiry date printed onthe test strip box and on each teststrip foil packet. If only the monthand year are printed on the teststrip, then the expiry date is thelast day of that month.• Use the test strip immediatelywhen you take it out of its foilpacket.• Do not use a wet, bent, scratched, or damaged test strip.• Do not use the test strip if its foil packet has a puncture ortear in it.• Before you monitor, allow your monitor and test strip toreach the recommended operating temperature range ofthe test strip. The test strip operating temperature range isin the blood glucose test strip instructions for use.• Read the lancing device instructions for use.Questions? CallCustomer Support:1-888-519-6890L O T 13758EXP 2010/03C5ART14172-101_Rev-A-Man.indd 20-21 4/13/09 1:24:08 PM