ResMed Positive Airway Pressure Device VPAP IV - Manual (Page 13)

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Traveling with the VPAP IV and VPAP IV ST
International Use
Your VPAP flow generator has an internal power adapter that enables it to operate in
other countries. It will operate on power supplies of 100–240V and 50–60Hz. No
special adjustment is necessary, but you will require an approved power cord for that
country.
Use on an Aircraft
Please consult the medical services department of your carrier if you intend to use
your VPAP device on an aircraft.
Note: You should not use your VPAP device while the aircraft is taking off or landing.
Use with DC Power
You must use a ResMed DC/DC Converter 24V/50W to connect your VPAP to a 12V
or 24V DC power source. Contact your equipment supplier or ResMed for details.
!
WARNING
The device should not be connected to both AC and DC power sources
simultaneously.