A sensor carrier is provided that has at least one oscillating element that introduces ultrasonic waves into an area to be examined andor receives ultrasonic waves coming from the area to be examined, whereby the oscillating element is located in an oscillator carrier, and the oscillator carrier has connecting means for connection with the electrode. The holder is fitted with the boss and the rail ribs are engaged with the notches, so that the holder is fixed to the boss with respect to the rotational direction of the screw, with a tightening torque applied to the boss being distributed over the holder. An application specific software program executes on a processor in the kiosk to provide as output one or more of the received plurality of messages depending on the location of the mobile computing device within the proximity of the electronic kiosk. At least one recording control pattern comprises a recording stack type indicator for indicating the writing parameters of the second recording stack.