Setting the fresh gas flow
1 Press the softkey »L/min«.
The key field is highlighted against a light background.
● Set and confirm the fresh gas flow by means of the
rotary knob.
Julian is fitted with an electronic O2 minimum dosing
system to avoid hypoxic gas mixtures. For fresh gas flow
settings below 1 L/min, the O2 concentration is
automatically increased to a value corresponding to an
O2 flow of 250 mL/min. If this control system is
activated, the O2 value is highlighted in addition to the
active softkey »L/min«.
Version with fresh gas failure detection (optional):
During operation, Julian checks that the bellows are
sufficiently full.
If the message „Fresh gas ? !!“ appears:
● Increase the fresh gas flow
The default settings valid whenever Julian is switched on
can also be modified; see "Setting default values" on
page 82.
Selecting the ventilation mode
MAN/SPONT ventilation mode
Choose between manual ventilation MAN and sponta-
neous breathing SPONT on the APL pressure-limiting
valve.
Manual ventilation
2 Set the lever of the APL pressure-limiting valve to
MAN.
3 Set the pressure limit = rotate lever.
Spontaneous breathing
4 Set the lever of the APL pressure-limiting valve to
SPONT.
The valve is open for a free spontaneous breathing
stroke regardless of the set pressure limit.
37
Operation
Setting the fresh gas flow
Selecting the ventilation mode
MAN/SPONT
Julian
1
MAN
MAN
3
2
SPONT
SPONT
4
"Only for internal use by Draeger. Not applicable as Instructions for Use!"
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