ResMed Mirage Quattro Removing the Mask, Disassembling the Mask, Optimising Mask Seal and Comfort

8Lie down in your sleeping position. Twist the forehead support dial

(Fig. B-7) until you feel that the mask is evenly positioned on your face. It should be comfortable, with a satisfactory seal. Gently tighten the lower headgear straps if necessary.

9The fitted mask is shown in Fig. B-8.

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 mask cushion creased? Creases can allow air to leak out of the mask.

•Have you cleaned your mask cushion recently? Oils on the cushion can affect the seal.

•Are your headgear straps overtightened? Try not to alter the upper headgear straps once they have been tightened by your clinician.

•You may need to slightly adjust the dial. Note the dial setting when comfortable.

•Does the mask seem too close to your eyes? You may need a smaller mask.

If you cannot resolve any problems, look at the Troubleshooting section, or talk to your clinician. You may require another mask size.

Removing the Mask

To remove the Mirage Quattro, disconnect one of the lower headgear clips and pull the mask and headgear up over your head.

Disassembling the Mask

See section C on the illustrations sheet.

1Detach the air tubing.

2Unclip the lower headgear clips (Fig. C-1) and unhook the upper headgear straps (Fig. C-2). It is not necessary to remove the headgear clips from the headgear.

3Remove the elbow assembly from the mask frame (Fig. C-3). It’s easier to pivot the bottom of the elbow away from the mask frame than to pull the elbow straight off.

4Remove the valve clip from the elbow (Fig. C-4).

5Peel the valve away from the valve clip (Fig. C-5). Do not pull on the membrane to remove the valve.

6Detach the swivel from the elbow (Fig. C-6).

7Note the position on the dial for the next time you use the mask.

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