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9How to Use the S8 Elite II
Using the Mask-Fitting Feature
You can use the S8 Elite II mask-fitting feature to help you fit your mask properly.
This feature delivers air pressure for a three-minute period, prior to starting
treatment, during which you can check and adjust your mask fit to minimise
leaks.
Note: Make sure that the mask setting on the MASK screen is the same as the
mask you are using.
To use the mask-fitting feature:
1 Fit your mask as described in the mask user instructions.
2 Hold down the Start/Stop key for at least three seconds until air pressure
delivery starts.
The following display will appear on the LCD screen indicating that the mask-
fitting feature is operating. Your S8 device will ramp to the mask-fit pressure and
will remain at this pressure for three minutes.
The LCD also displays a mask-fit star rating. See Table 1, “Definitions of Mask-
Fit Star Rating,” on page 10.
Note: The mask-fit star rating display disappears after three minutes.
The mask-fitting feature can only be started from the RAMP screen.
The mask-fit pressure is the set treatment pressure or 10 cm H
2
0, whichever is
greater.
3 Adjust your mask, mask cushion, and headgear until you have a secure and
comfortable fit.
Once you have a secure and comfortable fit, check your mask-fit star rating on
the LCD screen. Table 1 explains the mask-fit star ratings.
Note: If there is another person nearby to check your mask-fit star rating, you
can adjust your mask, mask cushion and headgear while lying down.
4 After three minutes, the pressure reverts to the set pressure and treatment will
begin.
• If you do not wish to wait three minutes, hold down the Start/Stop key
for at least three seconds to start treatment immediately.
• If you press the Start/Stop key for less than three seconds, the unit will
return to standby mode (the RAMP screen is displayed).
MASK FIT:
*****
excelnt
mask-fit star rating