Connect the test fixture as follows.
Turn the 7-mm connector nut of the test head counterclockwise until the connector sleeve is fully retracted.
Set the test fixture on top of the test head with the 7-mm connectors aligned. Ensure that the two holes on the test fixture is mounted on the two mount posts of the test fixture stand.
Turn the 7-mm connector nut of the test head counterclockwise to secure the connection.

