User interfaces (continued), Input / output connections – Activeforever Inogen One G3 Portable Oxygen Concentrator User Manual
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Description of the Inogen One® G3 Oxygen Concentrator Chapter 2
User Interfaces (continued)
Indicator Lights
A red light indicates either a change in operating status or a
condition that may need response (alarm). A flashing light is
higher priority than non-flashing.
Audible Signals
An audible signal (beep) indicates either a change in operating
status or a condition that may need response (alarm). More
frequent beeps indicate higher priority conditions.
Input / Output Connections
Particle Filters
The filters must be in place at the intake end of the concentrator
during operation to keep input air clean.
Cannula Nozzle Fitting
The nasal cannula connects to this nozzle for Inogen One® G3
output of oxygenated air.
DC Power In
Connection for external power from the AC power supply or
DC power cable.
USB Port
Used for servicing only.
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