Pari PEP S System Mode D'emploi page 50

3 USE
All the steps described below must be carried out properly.
3.1 Preparing for treatment
• Close the PEP S connecting
element securely using the
cap.
Adjusting expiratory resistance
• Push the PEP S adjusting ring
onto the PEP S connecting
element.
• Align the adjusting ring so that
the hole with the diameter re-
commended by your doctor or
therapist is positioned over the
hole in the connecting element.
Info: The smaller the hole, the
greater the expiratory resis-
tance.
• To prevent the adjusting ring
from slipping out of position,
engage lug "y" in locking notch "x".
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