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Starting therapy using oxygen
1 Fit the oxygen connector to the oxygen inlet of the device.
2 Attach the other end of the oxygen supply tubing to the oxygen supply.
3 Press to start treatment.
4 Turn on oxygen.
Stopping therapy using oxygen
1 Turn off oxygen.
2 Press to stop treatment.
Using the FiO
2
monitoring sensor
Use of the FiO
2
monitoring sensor may be recommended by your clinician.
CAUTION
Do not use the FiO
2
monitoring sensor with the H4i humidifier.
Preparing to use a new sensor
1 Before use, leave the FiO
2
monitoring sensor open to the air for 15 minutes.
2 Attach a new FiO
2
monitoring sensor (as shown below).
3 Perform the sensor calibration (see “Setup menu” on page 16).
Note: The FiO
2
monitoring sensor must be replaced every 12 months.
1
2
Oxygen
supply
Press spring to release
connection after use
1
2
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2
3
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