compulsory, single

—

<bottomtimestepbegin> defines the increment for the bottom time in seconds (as a real number) which shall be considered in the table output for the minimal (i.e. shallowest) dive depth.

<tablescope>

—

<bottomtimemaximum>, <bottomtimeminimum>, <bottomtimestepend>, <tablescope>

<!-- at beginning (at shallowest depth) increment 25 minutes -->
<bottomtimestepbegin>1500.0</bottomtimestepbegin>