Section 8: Update Calibrations Every 12 Hours - Dexcom G5 Getting Started Manual

Section 8: Update Calibrations Every 12 Hours

Enter update calibrations every 12 hours and when prompted.
WARNING: Calibrate the Dexcom G5 Mobile at least once every 12
hours. The system must be calibrated to give accurate readings. Do
not use the system for diabetes treatment decisions unless you have
followed the prompts from the device and calibrated every 12 hours
after the initial calibrations.
Tips for Entering Calibrations
Do Calibrate:
• After washing and drying your hands
• Within five minutes of testing with your meter
• Using the exact number from your meter
• Using only fingerstick blood glucose values
Don't Calibrate:
• If you see a No Readings, Sensor Error, or Signal Loss error on the screen
• After you have taken acetaminophen (such as Tylenol
• If your meter value is higher than 400 mg/dL, lower than 40 mg/dL, or rising or
falling rapidly.
On both the app and receiver the meter icon shows a red
badge when a meter value is needed.
If you use two display devices, calibrate on one of them. It
will update the other device within 10 minutes.
See the user guide for details.
Dexcom G5 Mobile CGM System Getting Started Guide
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