ResMed AirFit N30 Guide De L'utilisateur page 4

2. Pull the headgear bands over your head by holding the bottom band
and stretching it around the back of your head. The top band should sit
comfortably on the crown of your head.
3. Briefly pull your mask away from your nose and place it back to
ensure that the cushion fits comfortably.
Adjusting your mask
• To achieve a comfortable fit, adjust the split bands by spreading them
apart to loosen or draw them closer together to tighten.
• To fix any mask leak, adjust the headgear by pulling the headgear
through the buckle. Adjust only enough for a comfortable seal and do
not overtighten. You may need to adjust the headgear as it stretches
over time.
Your mask is now fitted and ready to use. While lying down and the
device is running, a light breeze should be felt near the venting area
around the tube connection. To inspect the vent, place a finger close to
the connection area and feel for air. Do not allow the venting area to
become blocked.
Removing your mask
To take off your mask system, pull the mask
and headgear by the split-band up and over your
head.
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