2 — MN218-C4 A EnglishContentsUser Controls & System Status Indicators.............................................3What is the Oxygen Concentrator ..........................................................4Why Your Physician Prescribed Oxygen ...............................................4Operator Profile......................................................................................5Unpacking Your FreeStyle or FreeStyle 5 .............................................5Getting to Know Your FreeStyle or FreeStyle 5 ....................................6Indications for Use .................................................................................8Contraindications for Use ......................................................................8Safety Guidelines ...................................................................................8Operating Instructions..........................................................................13Power Supplies.....................................................................................15Battery Pack .........................................................................................15FreeStyle AC & DC Power Supply......................................................17FreeStyle 5 AC & DC Power Supply...................................................19Cleaning, Care & Routine Maintenance ..............................................21Alarm Conditions .................................................................................23Troubleshooting ...................................................................................24Travel Information ...............................................................................25Accessories ..........................................................................................25Carrying Bag Instructions ....................................................................26Materials in Direct Contact with the Operator .....................................27EMC Testing ........................................................................................27