Freestyle Libre 2 Manual Del Usuario página 103

area at the end of the test strip. Refer to your lancing device instructions for
use if you need help using your lancing device.
If sounds are turned on, the Reader beeps once to let you know you have
applied enough blood.
You will see a butterfly on the screen while you wait for your result. Do not
remove the test strip while the butterfly is on the screen. If sounds are turned
on, the Reader beeps once when your result is ready.
If the butterfly does not appear, you may not have applied enough blood to
the test strip. Apply a second drop of blood to the test strip within 5 seconds
of the first drop. If the butterfly still does not appear or if more than 5
seconds have passed, discard the test strip. Turn o! the Reader and repeat
the steps in this section with a new test strip.
Note:
E-3 means the blood drop is too small, or incorrect test procedure, or there
may be a problem with the test strip.
E-4 means the blood glucose level may be too high to be read by the
system or there may be a problem with the test strip.
ART46983-001_rev-A 24-Aug-2022 2:30pm