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3
Using your mask
When using your mask with ResMed CPAP or bilevel devices that
have mask setting options, refer to the Technical specifications
section in this user guide for mask selection options.
For a full list of compatible devices for this mask, see the
Mask/Device Compatibility List on www.resmed.com on the
Products page under Service & Support. If you do not have internet
access, please contact your ResMed representative.
Fitting
The fitting illustrations in this user guide show the sequence for
obtaining the best fit and comfort when using your mask. A diagram
showing the names of parts can be found in the Mask Components
diagram near the beginning of this guide.
Fitting steps
1. Ensure that the bottom of the cushion opening is aligned with
the bottom of your nose. Place the mask over your nose.
2. Pull the headgear over your head. The buckle on the top strap
should sit on top of your head and the fabric back strap should go
around the back of your head.
3. Adjust the top strap by pulling the strap through the buckle, one
notch at a time. Do not overtighten. The mask should sit
comfortably over your nose and the back strap should sit just
above your ears.
4. Adjust the fasteners on the fabric back strap until the mask is
comfortably sealed. The fabric back strap can be positioned over
or under the hair.
5. Adjust the mask cushion until it sits comfortably on your nose.
6. Finally, connect the free end of the short tube assembly to the
device air tubing. If the mask leaks, readjust the fabric back strap
before the top strap.