Funzt ... but with restrictions

That was easy. Simply find the Internet the instantaneous air pressure for the city and set the machine.

Is very reliable so far. But the pointer is extremely sensitive. Even while trying to hang the unit on the nail, causes the pointer pretending. The same thing happens when you move the manullen Markierzeiger, so you can see afterwards to see whether the air pressure has changed.

So, if the device hangs again, not better handling.