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CPAP and APAP modes
Pressure [hPa]
The pressure is increased gradually to
the prescribed therapy pressure
0 - 90 s
Mask test
Prescribed pressure: 10 hPa
Programmed ramp (0 - 45 min)
BILEVEL S, T and ST modes
The pressures is increased gradually to
Pressure [hPa]
the prescribed therapy pressures
0 - 90 s
Mask test
Prescribed pressures: IPAP = 10 hPa, EPAP = 6 hPa
Programmed ramp = 10 min
MASK TEST
This ensures that the mask is airtight, not only during the slow pressure increase
during the soft start ramp, but also at higher pressures. The mask test can be
programmed to last from 5 to 90 seconds in 5 second increments. The mask
test is performed before the ramp starts and tests the tightness under maxi-
mum therapy pressure (see fi gures on page 52).
Setting the mask test
1. Select the complete menu (see page 35).
2. Use the selection keys
3. Press the enter key
the seconds. Confi rm your setting by pressing the enter key
52
Device functions
45
45
and
to select
and then use the selection keys
Time [min]
IPAP
EPAP
Time [min]
.
Mask Test
and
to set
.
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