50
Functions of the Device
Mask Test
This parameter determines the time when the device
performs a mask test. Put on the mask and start
the device.
To ensure that the mask is tight while the pressure
slowly increases in the soft start ramp even with
higher pressures, you can program a mask test-
ing time from 5 to 90 seconds in 5-second inter-
vals. This mask test is carried out before the ramp
is started. It checks whether the mask is tight even
under the maximum therapy pressure.
If the FLEXLINE mode is switched on, the pres-
sure is raised by 1 hPa at FLEX-Level 1, 2 hPa at
FLEX -Level and 3 hPa at FLEX-Level 3 (TREND II
CPAP and TREND II AUTO). If the APAP mode is
switched on, the pressure is raised to the max. pres-
sure (TREND II AUTO) and in the devices TREND II
BILEVEL and TREND II BILEVEL ST20 the pressure
in the modes S, ST and T is raised to the I-Pressure.
To set the mask test,
fi
rst go to the Patient-Menu
(press the
key for approx. 1 second), then select
Mask Test
with the keys
and
. Press the
key. Now select the desired time by using the keys
and
. Press
to con
fi
rm.
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