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Explanation of the Caution: The exhaust
vent flow is lower at lower mask pressures
(refer Pressure/Flow curve). To avoid
rebreathing it is recommended that a mask
pressure of 4 cm H
O or more be used.
2
P
M
ARTS OF THE
See Figure A.
F
M
ITTING THE
Figure B
1 Attach one of the headgear clips to one
side of the mask frame. To do this, push
the headgear clip into the slot on the mask
frame until it clicks into place (Fig. B-1).
Note: Ensure that you line up the two diamond-
shaped markers ( ) on the mask frame and
adjacent to the headgear clip.
2 Place the mask over your nose. The top of
the mask cushion should sit over the
middle of your nose.
3 Place headgear over head, with lower
straps below ears. Hold the mask frame
over the nose and connect the unattached
headgear clip (Fig. B-2).
4 Symmetrically tighten side straps at back of
head so they are comfortable, but not too
tight (Fig. B-3). Evenly tighten top straps
one at a time (Fig. B-4).
Note: Strap loops are provided to hold the free
end of the headgear straps in place.
5 Position cross-over buckle on top of head
so that side Stabilizing Panels are flat against
the sides of the face (Fig. B-5). You may
need to readjust the top straps.
6 Connect one end of the main air tubing to
your flow generator and the other end to
the swivel.
Note: The swivel, short air tubing and mask
elbow are supplied assembled.
7 Turn your flow generator on.
8 Connect the mask elbow to the mask
frame. To do this, firmly push the mask
elbow onto the mask frame until it clicks
into place (Fig. B-6).
Check that you have connected the mask
elbow correctly by rotating it. Be careful
not to squeeze the sides of the elbow. If
the mask elbow is fitted correctly, it should
rotate freely and not separate from the
mask frame.
ASK
ASK
9 The fitted mask should look like Fig. B-7.
10 Adjust the angle of the mask by pressing on
the tabs on the headgear clips and tilting
the mask up or down (Fig. B-8) until you
feel a comfortable, even pressure around
your nose. The mask can be tilted at five
different positions.
Example: If your headgear is not over
tightened and you are feeling excessive
pressure on the middle of your nose, tilt
the mask down. Alternatively, if you are
feeling excessive pressure on your upper
lip, tilt the mask up.
11 If you feel air leaks around the cushion,
reposition the mask on your face to
achieve a better seal.
Take time to adjust the headgear straps
and the position and angle of the mask to
achieve a comfortable and secure fit.
Note: Select "Standard" as the mask option,
when using the Mirage Vista with ResMed
AutoSet® devices.
R
EMOVING THE
To remove the M
IRAGE
the headgear clips. This releases one side of
the headgear from the mask. Pull the mask and
headgear away from your head.
Note: Do not pull the headgear off your head
without releasing the headgear clips first.
TIP!
You can detach the elbow from the mask
frame while wearing the mask. This is useful
when therapy needs to be stopped for a short
time; for example if you need to go to the
bathroom.
D
ISASSEMBLING
1 Detach the mask elbow. To do this,
squeeze the sides of the mask elbow at the
finger grips while pulling it away from the
mask frame (Fig. C-1).
2 Disconnect and separate the main air
tubing, short air tubing, mask elbow and
vent cover (Fig. C-2).
Notes
To prevent damage to the short air tubing,
disconnect it by holding it at the cuff.
The swivel does not need to be disconnected
from the short air tubing.
M
ASK
V
squeeze one of
ISTA
F
C
OR
LEANING
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