Storch ProDist compact plus Mode D'emploi page 95

Point to the top point and press the button.
After the first measurement, the first value is displayed.
Now level the laser measuring device horizontally to the
extent possible.
Initiate the second measurement by pressing the
button.
The result is automatically determined and shown in the
display.
Indirect measurement 2 (double Pythagoras)
- Determining a distance with three measurements
Press the button 2x until the symbol
appears in the display. The distance to measure first is
shown as a flashing line in the symbol.
button.
Point to the bottom point and press the
Original instruction
95