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3Medical Information
through the mask, and the exhaled air may be rebreathed. Rebreathing of
exhaled air for longer than several minutes can, in some circumstances, lead
to suffocation. This applies to most models of CPAP devices.
• In the event of power failure or machine malfunction, remove the mask.
• The S8 Elite II can be set to deliver pressures up to 20 cm H
2
O. In the
unlikely event of certain fault conditions, pressures up to 30 cm H
2
O are
possible.
• If oxygen is used with this device, the oxygen flow must be turned off when
the device is not operating. If oxygen has been left on while the device is not
operating, disconnect the oxygen and wait 30 minutes before turning on the
device.
Explanation: When the CPAP device is not in operation and the oxygen flow
is left on, oxygen delivered into the air delivery tubing may accumulate within
the CPAP machine enclosure and create a risk of fire. This applies to most
types of CPAP machines.
• Oxygen supports combustion. Oxygen should not be used while you are
smoking or in the presence of an open flame.
• Always ensure airflow is being generated by the device before the oxygen
supply is turned on.
• Always turn the oxygen supply off before stopping the airflow from the
device.
Note: At a fixed rate of supplemental oxygen flow, the inhaled oxygen
concentration will vary, depending on where the oxygen is introduced, the
pressure settings, patient breathing pattern, mask selection and leak rate.
• Do not use the S8 Elite II if there are obvious external defects or unexplained
changes in performance.
• Do not open the S8 Elite II case. There are no user serviceable parts inside.
Repairs and internal servicing should only be performed by an authorised
service agent.
• Explosion hazard—do not use in the vicinity of flammable anesthetics.
Cautions
• At low pressures, the flow through the exhalation ports of your mask may not
clear all exhaled gas from the tubing. Some rebreathing may occur.
• The airflow for breathing produced by this device can be as much as 6°C
higher than the temperature of the room. Caution should be exercised if the
room temperature is warmer than 32°C.
• When AC mains power (100–240V AC) is not available, always use a ResMed
DC-12 converter. (The DC-12 converter is available as an optional accessory.)
• If supplied, the ResScan™ Data Card module is designed for use with
specific ResMed devices.
• Only use the ResScan Data Card module (if supplied) as specified in this
manual.