Via <setdcallgasdefinitions/> all breathing gas definitions (see <gasdefinitions>) are transferred to the dive computer.
(see also <setdcdata>)
<divecomputercontrol> <setdcdata> <setdcgasdefinitionsdata> <!-- send all defined breathing gases to the dive computer --> <setdcallgasdefinitions/> </setdcgasdefinitionsdata> </setdcdata> </divecomputercontrol>