John Giddy wrote:

No, but the port on the back of the vario which is connected to the TE
probe is labelled the "Static" connection. The other port is for
connection of the capacity flask.

Yep. If you connect the "stactic" port to the stactic probe, you have an
uncompensated vario. If you connect it to the TE probe, you have a
compensated vario. Simple as that.

Stefan