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Audible and Visible Signals Chapter 4
Informational Messages
The following information displays are not accompanied by any audible feedback or any
visual change in the indicator lights.
Condition/Action/Explanation
The Inogen logo is displayed at startup.
Default display when operating on battery power. “X”
represents the selected flow setting (e.g., Setting 2).
“HH:MM” represents the approximate time remaining on
the battery charge (e.g., 1:45).
Default display when operating on an external power
supply and the battery is charging. “xx%” represents the
percent battery charge (e.g., 86%).
Default display when the battery is not charging or when the
time remaining is not available from the battery.
Display when the concentrator is plugged in and being used
to charge a battery (not being used for oxygen production).
It is normal to see a fully charged battery read between 95%
and 100% when external power is removed. This feature
maximizes the useful life of the battery.
Message Display & Text
Setting X Battery
HH:MM
Setting X Charging xx
(or) Battery Full
Setting X Battery xx%
Charging xx% (0r)
Battery Full
English
Notifications
!
WARNING Audible notifications, ranging from 55dba to 65dba depending on the
users position, are to warn the user of problems. To insure that audible
notifications may be heard, the maximum distance that the user can
move away from it must be determined to suit the surrounding noise level.
The Inogen One® G2 monitors various parameters during operation and utilizes an
intelligent alarm system to indicate a malfunction of the concentrator. Mathematical
algorithms and time delays are used to reduce the probability of false alarms while still
ensuring proper notification of an alarm condition.
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