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Decrease the percentage of oxygen to 37%. The
blender will reduce the percentage of oxygen to the
set value. The Low Oxygen Alarm will now be
triggered.
Further decrease the percentage of oxygen to 21%
and press the Return button to cancel the Oxygen
alarm test.
Step 6 Press the Mode Select button to enter the Mode
select panel.
Step 7 From the Mode Select panel select CPAP, but DO
NOT press the confirm button. Advance to Step 8.