optional, multiple

ref=unique identifier of the breathing gas to be transferred to the dive computer — compulsory

Via <setdcgasdata/> the breathing gas specified in the attribute (which must be previously defined in the <gasdefinitions> section) is transferred to the dive computer.

<setdcgasdefinitionsdata>

—

<setdcallgasdefinitions>, <setdcgasdefinitionsdata>

(see also <setdcdata>)

<divecomputercontrol>
    <setdcdata>
        <setdcgasdefinitionsdata>
            <!-- send certain breathing gases to the dive computer -->
            <setdcgasdata ref="air"/>
            <setdcgasdata ref="my_nitrox"/>
            <setdcgasdata ref="my_trimix"/>
        </setdcgasdefinitionsdata>
    </setdcdata>
</divecomputercontrol>