PeakTech 2801 Bedienungsanleitung Seite 37

6.8. Addition/Subtraction of Areas
Make your desired distance measurement.
The next length measurement is added to the previous
measurement with the "+" - button (2) or subtracted from the
previous measured value with the "-" key (7) value.
After the addition / subtraction, the system automatically
switches back to the normal measurement mode.
6.9 Addition/Subtraction of Areas
Set the meter to Area Calculation via the corresponding key (3).
Measure the first area until the calculation is shown in the main
display (Figure 1).
Click the "+" - button (2) and carry out the second area
measurement (Figure 2).
Finally, press the "Meas" key (1) and the added measurement of
both areas is displayed.
For the subtraction of surfaces, proceed as described above,
just by pressing the "-" - button (7) instead of the "+" - button (2)
Fig. 1 Fig.2 Fig.3
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