Oxygen Equipment User Manual
11
DL-00096 Rev. 7
Figure 11. Concentrator running on external power.
RESPONDING TO ALARMS
  PRECAUTION:
IFYOUAREUNABLETOHEARORSEEALARMS,DONOTHAVE
NORMALTACTILESENSITIVITY,ORCANNOTCOMMUNICATE 
DISCOMFORT,CONSULTCLINICIANBEFOREUSINGTHISDEVICE.
Pressingthealarmmutekeyatanytimewillsilencethebuzzer.Thelengthof
themuteperioddependsontheseverityofthealarm.(See“AlarmIndicators”
onpage16.)Duringthismuteperiod,themuteLEDwillremainilluminated,
indicatingthealarmbuzzerismuted.Pushthemutekeyagaintounmute
alarms.Pressingthemutekeywhenthereisnoactivealarmwillmuteany
futuremediumorlowpriorityalarmsforeighthours.See“Troubleshooting”
(page20)foradditionalinformationonalarms.
TURNING OFF
  PRECAUTION:
ALWAYSTURNOFFTHISDEVICEWHENNOTINUSE.
ToturnthePortableOxygenConcentratoroff,pressandholdthepower
key.Thedevicewillchirpandthescreenwilldisplayashutdownmessage
“Shuttingoff”forapproximatelyfiveseconds,thengointolow-powermode.
Note: Do not disconnect the AC power supply and remove the battery at the same time while the 
unit is running. Always use the power key to turn the device off. Wait until the device has 
completely shut down before disconnecting from power and removing the battery.
TRAVELING BY AIR WITH THE PORTABLE OXYGEN CONCENTRATOR
ContactCustomerServiceforinformationonairlineregulationsrelatedto 
travelingwiththePortableOxygenConcentratorbyair.
DL-00096 rev 7.indd 11 6/1/2009 4:48:32 PM










