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Trilogy200 clinical manual
142
2. Verify the High Tidal Volume Alarm
This procedure veries that the High Tidal Volume alarm is working
properly. For Passive and Active Flow circuits, this will verify the High
Vte alarm. For Active PAP circuits, this will verify the High 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 High Tidal Volume alarm setting to match the one
shown below in Table 3.
Setting Value
High Vte/High Vti 50 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 High Tidal Volume alarm condition appears on
the screen, highlighted in red
C. Modify Ventilator Alarm Settings
Modify the High Tidal Volume alarm setting to match the one
shown below in Table 4.
Setting Value
High Vte/High Vti 500 ml
D. Verify Reset
Wait 40 seconds and verify the following auto-reset conditions:
• The High Priority audible indicator has stopped
sounding
• The red light on the Alarm Indicator/Audio Pause
button has stopped ashing
Table 3 - High Vte/Vti Alarm
Setting
Note: Do not use the “Reset”
button to manually reset the
alarm. Instead, use the “Modify”
button to change ventilator
settings. This applies to all tests.
Table 4 - Modify Vte/High Vti
Alarm Setting