INTERSPIRO Spirocom XXL BT Manual De Usuario página 16

5. Attach the locking lugs in the mask with the two screws.
6. Make sure that the screws on the locking plates are correctly tightened so
the locking plates turn evenly.
7. Make sure that the locking lugs on the speech diaphragm is turned
towards the locking plates. Hold the speech diaphragm by the edges and
carefully press the speech diaphragm in place.
NOTE: Do not press in the middle of the speech diaphragm, this can
deform the speech diaphragm.
16
Spirocom XXL BT