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4 Tests, calibrations and utilities
4.3.2 Tests & calib: Running sensor calibrations
and the tightness test
Touch the
System -> Tests & calib
window (shown in
Figure 4-3) to view and access the tests and calibrations.
Figure 4-3. Tests & calib window
4.3.2.1 Flow sensor calibration
NOTE:
• Ensure another source of ventilatory support is avai-
lable during this calibration. The patient must be dis-
connected from the ventilator during the calibration
process.
• Wait 2 minutes before calibrating the flow sensor
following a switch between air and heliox or a sig-
nificant change in Oxygen setting. This allows the
mixture to stabilize.
• Patient alarms are suppressed during flow sensor
calibration.
• To cancel the flow sensor calibration while in prog-
ress, touch
Flow Sensor
a second time, or close
the
Tests & calib
window.
• To ensure valid results, DO NOT touch the screen
during the calibration operations.
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