Device functions 77
not switch off but you receive an acoustic and visual
warning. The blower can only be switched off by
pressing the ON/OFF key.
Setting automatic mode
1. Select the complete menu (see page 45).
2. Use the selection keys
and to select
Auto.
3. Press the enter key to set the desired auto-
matic mode.
The device can be switched on or off in any automatic
mode by pressing the ON/OFF key.
DISPLAY VT
When the function „Display Vt“ is activated, the tidal
volume is displayed in ml during therapy. The value
displayed is the arithmetic mean of the inspired air vol-
ume from the last four breathing periods. The value is
recalculated after each breathing period and shown on
the display. The leakage air fl ow must be calculated
before display is possible. This is generally the case
after about three breathing periods.
$!'0'H
0'(.)MMMMMM < ; 0
4%/!*1
Q % 0 , ( 5/MMMMMM
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