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Chapter 10 System Checkout Procedures
143
E. Restore Ventilator Settings
Modify the ventilator settings and change the following value
shown in Table 5.
Setting Value
High Vte/High Vti O
3. Verify the Low Tidal Volume Alarm
This procedure veries that the Low Tidal Volume alarm is working
properly. For Passive and Active Flow circuits, this will verify the Low
Vte alarm. For Active PAP circuits, this will verify the Low Vti alarm. It
assumes that you have attached the test lung, veried the ventilator
settings, and turned on ventilator power as described in the Initial
Setup section.
A. Change Alarm Ventilator Setting
Modify the Low Tidal Volume alarm setting to match the one
shown below in Table 6.
Setting Value
Low Vte/Low Vti 500 ml
B. Verify the Alarm
Wait up to 40 seconds and verify the following alarm signals:
• The High Priority audible indicator sounds
• A red light ashes on the Alarm Indicator/Audio
Pause button
• The Low Tidal Volume alarm condition appears on the
screen, highlighted in red
C. Modify Ventilator Alarm Settings
Modify the Low Tidal Volume alarm setting to match the one
shown below in Table 7.
Setting Value
Low Vte/Low Vti 50 ml
Table 5 - Restore Ventilator
Settings
Table 6 - Low Vte/Low Vti
Alarm Setting
Table 7 - Modify Low Vte/Low
Vti Alarm Setting