5To tighten or loosen the headgear straps, peel the Velcro® tab off the headgear and reposition it. Gently and evenly adjust the upper headgear straps
6Connect one end of the main air tubing to your flow generator and the other end to the swivel.
7Connect the elbow to the mask frame, holding the sides of the elbow then firmly pushing it onto the frame until it clicks into place
8Turn your flow generator on.
9If you feel air leaks, you may need to adjust your headgear. Return to step 5 or check through the suggestions in “Optimising mask seal and comfort” below.
Optimising mask seal and comfort
To receive effective therapy it is important to have the best seal possible between your mask and your face. If you are experiencing leaks, please ensure that you have followed the fitting instructions carefully. Carry out a quick check after fitting your mask:
•Is the mouth cushion creased? Creases can allow air to leak out of the mask.
•Have you cleaned your mask recently? Oils on the cushion and pillows can affect the seal.
•Are the pillows correctly seated in your nostrils?
•Are your headgear straps overtightened? Try not to alter the upper headgear straps once they have been tightened by your clinician.
•If you cannot establish a comfortable seal, do not overtighten the headgear. Consult your clinician.
•Try another nasal pillow size.
If you cannot resolve any problems, look at the Troubleshooting section, or talk to your clinician.
Removing the Mask
To remove the Mirage Liberty:
1Detach the elbow by squeezing the elbow on both sides
2Unclip both of the lower headgear clips
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