Attention! The manufacturer's instructions only describe the basic procedure for patients who need ventilation for support and can still breathe independently while the mask is being changed. Since the mask is necessary for life support in my case, we have to reconnect the tube much earlier in my case, for example, and my ventilator is also never switched off. So the steps described here are only for basic illustration.

You can find out exactly how I change masks, with lots of sexy photos of me, in the "Mask change" section of the same name.

Hold the mask to your face with the lower headgear open and pull the headgear over your head.

Run the lower straps under your ears and loop the straps around the lower hooks on the mask frame.  

Open the Velcro fasteners on the upper head straps. Pull
Tighten the straps evenly until the mask fits comfortably on the nose.
sits. Close the Velcro fasteners again.

Open the Velcro fasteners on the lower head straps. Tighten the straps evenly until the mask fits well. Close the Velcro fasteners again.

Connect the breathing tube to the elbow. Attach the elbow to the mask by pressing the two tabs on the side and sliding the elbow into the mask. It must snap into place on both sides.

The mask and headgear should fit as shown in the picture.