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4.2 Alarm test
4.2.1 Preparations before alarm test
1) Connect the test lung to Y-piece of the breathing tube.
2) Turn on the system switch.
3) Parameters of ventilator set as below:
Patient type: Adult
Ventilation mode: VCV
V
T
: 500 mL
Freq: 12bpm
T
I
: 1.0s
FiO
2
: 40%
PEEP: 0
4.2.2 High airway pressure alarm
1) Press the
【
Alarm setting
】
touch key to enter the alarm setting screen.
2) Set the upper limit of PAW less than or equal to the measuring value.
3) Make sure the
【
Airway pressure high!!!
】
appears in the alarm message display area.
4) Set the upper limit of PAW more than the measuring value.
5) Make sure the
【
Airway pressure high!!!
】
disappears.
4.2.3 Low volume alarm
1) In the alarm setting screen, set the lower limit of V
TE
more than or equal to the
measuring value.
2) Make sure the
【
Tidal Volume Low!!
】
appears in the alarm message display area.
3) Set the lower limit of V
TE
less than the measuring value.
4) Make sure the
【
Tidal Volume Low!!
】
alarm disappears.
4.2.4 Low oxygen concentration alarm
1) In the alarm setting screen, set the lower limit of FiO
2
more than or equal to the
measuring value.
