CAIRE HELiOS Marathon H850 Home Use Manual page 32

How To Use Your H850 Personal Oxygen System
2. The H850 Portable has two delivery modes:
continuous and demand. Turn the flow control knob
on the top of the H850 Portable counterclockwise for
continuous flow rates or clockwise for demand flow
rates (Figure 6A). Continuous settings are number
C1 through C6. Demand flow rates are number
D1.5 through D4 (Figure 6B).
(A)
continuous demand
(B)
Figure 6: Setting the flow rate
Set your rate to the setting prescribed by your physi-
cian. The flow setting value should be clearly read-
able in the center of the window.
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