PeakTech 2801 Bedienungsanleitung Seite 41

2. To measure the total length (x) of two short sides using three
related measurements:
Press the "Pythagoras" button (8) four times, until the display for
indirect measurement switches through the three readings.
The distance to be measured (a) flashes in the symbol. Aim at
the upper point of the measured distance (x) and trigger the
measurement of the distance (a). After the first measurement the
value is adopted. Measure the distance (b). Keep the instrument
as horizontal as possible and then press the "ON/MEAS" key
(1). Press the "ON/MEAS" key (1) to measure the distance (c)
the lower point of the track (x).
The result of the function (x) is shown in the summary line.
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