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26 Menu key
Used to change from the standard display to the
menu and back again.
27 Humidifier key with LED
For setting the humidifier level. Six levels are
available. The LED shows whether the humidifier is
activated.
28 Soft start key
To activate Soft start and to adjust the Soft start time
up to the maximum Soft start time set by the doctor.
29 VENTIpower (Accessories)
Available as an accessory, provides a mains-
independent power supply for BiLevel ST 22.
Standard display during therapy:
7 Active
respiratory mode
6 Ventilation parameters
1 Status line
This is where information about the status of the unit
is displayed, such as filter change or service due.
2 Soft start symbol
Indicates that Soft start is activated, the number
indicates the remaining minutes.
3 Display respiratory phase
Displays whether the current respiratory phase
change is spontaneous or mandatory
(spontaneous: S, mandatory: T), the display
changes according to the respiratory phase from
left (inspiration) to right (expiration); in this case
mandatory expiration.
1 Status line
5 Bar graph for the pressure display
30 Nameplate
Provides information about the unit, e.g. serial
number and year built.
31 VENTIclick (Accessories)
Available as an accessory, used to humidify and
warm the air
32 Carrying bag
For carrying the BiLevel ST 22.
33 VENTI-O2 (Accessories)
Available as an accessory, used to supply oxygen
to the nasal mask.
2 Soft start symbol
3 Display respiratory phase
4 Access to the patient menu
4 Access to the patient menu
The key next to this menu item allows you to change
to the patient menu and back to the standard
display.
5 Bar graph for the pressure display
Displays therapy pressure in graphical form.
6 Ventilation parameters
Depending on the active mode the corresponding
current ventilation parameters are displayed.
7 Active respiratory mode
The active ventilation mode is displayed at this
point of the status line.
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