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To perform the alarm sound test:
1. The VVT window asks if the first alarm is audible. If you can hear it, select
Continue to proceed (Figure 159).
Figure 159: The VVT Alarm Test Pop-Up Window
2. The window asks if the second (louder) alarm is audible. If you can hear
it, select Continue to proceed.
Pressure Tests
The following procedures explain how to perform an O2 Tests.
To perform O2 tests:
1. Block the patient circuit with a rubber stopper or equivalent.
2. Select and press OK to proceed. The unit automatically proceeds
through a number of tests for approximately 30 seconds. The VVT
instruction pop-up window appears.
Flow Tests
The following procedures explain how to perform an O2 Tests.
To perform O2 tests:
1. A pop-up window appears, and instructs you to unblock the patient
circuit. Remove the stopper, and then select and press OK.
2. The test is completed in approximately six (6) seconds. The VVT
instruction pop-up window appears.
O2 Tests
The following procedures explain how to perform O2 Tests.
To perform O2 tests:
1. The VVT screen asks you to confirm that there is no O2 supply connected
to the ventilator. Make sure no O2 supply is connected. Then select and
press OK.
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