2. Now measure the three necessary lengths. For the correct order,
see the following illustration or follow the blinking segments of the
indicator for indirect measurement with three reference points.
3. Measure the first distance. The value will be displayed in the bottom
line.
4. Measure the second distance. The value will be displayed in the
bottom line.
5. Measure the third distance. The measurement is shown in the
middle line.
6. The height between points 1 and 3 is calculated automatically and is
shown in the bottom line.
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