Device test

1. Press the button above
2. Click on the device you want to connect to
3. Check if button "Laser" enables/disables the laser on your device as expected
4. Check if button "Measure" reads out a plausible value in the reading display below
5. Check if the reading is updated when you press the actuation button on your device
6. Check if the laser status (on/off) is as set via "Laser" setting after every reading