3.
Put the microphone so that it is in the center of the front piece of the mask.
4.
Install the external speech cone and tighten the hand screws. Make sure
the microphone cable is correctly installed in the slot in the speech cone.
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.
16
Spirocom XL