Abbott FreeStyle LibrePro Operator's Manual page 21

Step
8
Sensor
9
18
Action
Gently pull the Sensor Applicator away from the
body . The Sensor should now be attached to the
skin .
Note: Applying the Sensor may cause bruising
or bleeding . If there is bleeding that does not
stop, remove the Sensor, and apply a new one at
a different site .
Make sure the Sensor is secure after application .
Put the cap back on the Sensor Applicator .
Discard the used Sensor Pack and Sensor
Applicator according to your facility's procedures .