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14 VIAspire Oxygen Portable Manual 300P-LT07 REV 0 300P-LT07 REV 0 VIAspire Oxygen Portable Manual 15
Monitoring Battery Power
The VIAspire Oxygen Portables 300
and 600 are each powered by four
AA alkaline batteries. A blinking
red light on the LED means it is
time to replace the batteries. If this
happens, replace the batteries or
switch to continuous fl ow by chang-
ing the CF/SD (Continuous Flow/
SmartDose Delivery) switch to the
CF setting. Continuous Flow mode does not require batter-
ies and the VIAspire Portable will now deliver a continuous
fl ow of oxygen.
If the indicator displays a non-blinking (solid) red light,
this means the batteries are dead and no oxygen is being
delivered in SmartDose mode.
WARNING
Using the VIAspire Portable 300 or 600 in continu-
ous fl ow (CF) mode will use up oxygen at a faster
rate. Monitor the contents indicator as described
under “Checking the Level of Liquid Oxygen” to be
sure that you do not run out of oxygen.
NOTE
When using the VIAspire Portable in continuous
fl ow (CF) mode, the LED indicator will NOT light up
green or red with each breath. Turning the fl ow
selector knob to zero will not affect the fl ow. Turn
the CF/SD switch to “SD” mode to stop fl ow.
Red lightRed light
Checking the Level of Liquid Oxygen
The VIAspire Portable has a built-in tool to check the
amount of liquid oxygen. Follow these steps for using the
Content Indicator.
1 Hold the short strap directly above the black Content Indi-
cator spring scale chamber on the portable as shown below.
2
Let the portable stabilize (do not
bounce or shake it), then read the
exposed color scale for the approxi-
mate amount of liquid oxygen.
Content
indicator
NOTE
If the portable is empty, only the red colored band
of the scale will be exposed. In this case, you need
to fi ll the portable before you can use it.