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IMPORTANT: After the second calibration, you can
always calibrate early in order to shift your calibration
schedule to a more convenient time. For example, if the
next calibration is due at 23:00, you may choose to cali-
brate at 19:00 instead if that is a more convenient time.
In that case, your next scheduled calibration would be at
19:00 (24 hours later).
In the app, there are a few ways to tell when it is time to
calibrate:
On the HOME screen, the TIME TO CALIBRATE banner
•
appears. Tap the banner to calibrate.
On the TRANSMITTERS screen, the message area indicates
•
that it is time to calibrate. Tap CALIBRATE to calibrate.
If you have allowed the app to send notifications and have
turned on the calibration alert, you will receive a notifica-
tion when it is time to calibrate.
5.1.1
What happens without calibration
If you do not enter a calibration reading, the CGM will con-
tinue to display glucose levels for a period of time, but
they will appear with an ESTIMATED GLUCOSE banner to
indicate that the data quality may be lower than usual.
Estimated glucose levels appear as light grey points on
the trend chart. See SECTION 6.5 for details about esti-
mated glucose.
NOTE: The ESTIMATED GLUCOSE banner does not always
mean you need to calibrate. Tap the banner for informa-
tion about why glucose levels are estimated. See SECTION
6.5 for details about estimated glucose.
5.2
Entering a calibration reading
In order to calibrate, all of the following must be true:
20
•
Your glucose, according to the BGM, is between 3.9-13.9
mmol/L.
•
Your glucose is changing less than 0.11 mmol/L per mi-
nute.
•
A session is in progress.
The CALIBRATE button is enabled.
•
If any of the above are not true, you will not be able to
CALIBRATE.
1.
Perform a blood glucose test.
Follow the instructions for your blood glucose meter to perform a
blood glucose test.
CAUTION
Only use a blood glucose meter reading from your finger-
tip to calibrate your CGM. Do not use a reading from an
alternate site.
2.
In the app:
Tap the HOME button.
1.
On Android devices, you may need
to tap the BACK ARROW until you
see the bottom buttons.
Tap CALIBRATE.
2.
OR
Tap the DEVICES button.
1.
On Android devices, you may need
to tap the BACK ARROW until you
see the bottom buttons.
Tap TRANSMITTERS.
2.
Tap CALIBRATE.
3.
Home screen:
Transmitters screen:
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