User's Manual

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You may need to calibrate when your system did not accept the last calibration or your blood glucose value
is very different from the sensor glucose reading.
When you see this calibration prompt it means it is time to calibrate with a single blood glucose value.
Take 1 blood glucose measurement with your meter, and enter the blood glucose into the receiver. If this
screen reappears soon, see Chapter 13, Section 13.2.1, Types of Calibration Prompts.
These screens show calibration errors (see Chapter 13, Section 13.3, Calibration Error Troubleshooting).