(Model J) Page 139
Step 22 Modify the BPM and Insp.Time parameters:
BPM..................... 18
Insp. Time........... 3 sec
Step 23 Remove the test lung and connect the calibration analyser to the ET manifold.
Verify that the calibration analyser alternates between the PEEP and PIP
settings.
Refit the test lung.
18.1.8 High Pressure Alarm
Step 24 Reduce high alarm setting to 19mbar. This should
initiate an audible alarm and a High Pressure
visual alarm.
Reduce the high alarm threshold a further 6mbar
below the measured PIP. The high pressure alarm
should remain but all fresh gas should now be cut
off. After 3 seconds the fresh gas should be re-
instated and a further 6 seconds the ventilator
should try to re-instate ventilation. The fresh gas cut
off cycle should repeat.
Return alarm setting to 25mbar and press the reset button to clear the alarm
panel of the alarm notification and restart ventilation.
18.1.9 Low Alarm
Step 25 Increase the low alarm setting to 6mbar. This should
initiate an audible alarm and a Low Pressure visual
alarm.
Increase the low alarm threshold a further 6mbar
above the measured PEEP. The low pressure alarm
should remain but all fresh gas should now be cut
off (the PEEP will be maintained).
Return alarm setting to 0mbar and press the reset button to clear the alarm
panel of the alarm notification and restart ventilation.
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