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Eversense XL CGM User Guide
17
Calibration
Q: Will doing more than 2 fingerstick calibrations
per day aect the accuracy of the system?
A: The accuracy will not be negatively impacted if you
do more than the required 2 calibrations per day.
Q: When should I do a fingerstick test with a blood
glucose meter?
A: You should perform a blood glucose test on a meter:
• When it is time to calibrate.
• When you cannot get sensor glucose readings.
• Any time you have reached your low or high
glucose alert thresholds.
• Any time you have symptoms of low or high blood
glucose.
• Any time your symptoms are not consistent with
the sensor glucose readings.
• Prior to making treatment decisions, such as
dosing insulin or consuming carbohydrates.
Q: Why am I unable to calibrate?
A: You may not be able to calibrate for any of the
following reasons:
• Not enough sensor glucose data has been
collected, which may take up to 5 minutes.
• Sensor glucose values are changing rapidly, such as
after eating or taking insulin.
• The blood glucose reading is less than 2.2 mmol/L.
• The blood glucose reading is greater than
22.2 mmol/L
• The blood glucose reading was taken more
than 10 minutes prior to entering it in the
Eversense App.
• The last sensor glucose value is significantly
dierent than the blood glucose reading entered.
• It is not time for your calibration.
Q: How do I change my scheduled morning and
evening Daily Calibration times?
A: Tap Menu > Settings > Daily Calibration.
Select the morning or evening time to change.
Morning and evening times must be set a minimum
of 10 hours apart and maximum of 14 hours apart.
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