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C o n t e n t s
Safety Information ................................................................... 1
Overview .......................................................................................1
Warnings .......................................................................................1
Cautions ........................................................................................5
Notes .............................................................................................6
Definition Of Symbols ...................................................................7
Portable Oxygen Unit Safety Label ...............................................8
Introduction .............................................................................. 9
Using Your
HELiOS Marathon H850
Portable Oxygen Unit .. 15
Overview ..................................................................................... 15
Filling the Portable Oxygen Unit ................................................. 15
Breathing from a Portable Oxygen Unit ...................................... 23
Positioning the Portable Oxygen Unit During Use ...................... 30
Connecting the Portable Oxygen Unit
to the HELiOS Reservoir ............................................................. 31
Travelling with the Portable Oxygen Unit ....................................34
Maintenance ........................................................................... 37
Monitoring Liquid Oxygen Level .................................................. 37
Cleaning Portable Oxygen Unit Equipment ................................ 37
Emptying the Moisture Container ................................................ 38
Replacing the Reservoir Battery ................................................. 39
Troubleshooting ..................................................................... 41
Overview ..................................................................................... 41
Potential Problems ...................................................................... 41
Accessories .............................................................................. 47
Product Specifications ........................................................... 51
Operating Environmental Specification ....................................... 51
Storage Environmental Specification .......................................... 51
Important Information Record
About Your Prescription ........................................................ 52