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Twofold indirect height measurement
This method is suitable for e.g. height measurements.
The measurement result is calculated by determining the
distances A and C as well as the inclination angle (standard
setting) or by determining the distances A, B and C.
Measurement with distances A, C and inclination angle:
1. Briefly press the Button for indirect measurements (9)
twice.
ð The symbol
for indirect measurements appears on
the display.
ð The inclination angle is displayed in the second line of
the upper measurement value display on the right-hand
side (see example 31.1°).
ð The bar with number 1 (hypotenuse) flashes.
29
28
25
2. First, aim the device at the highest point (C) and briefly
press the Switch-on/measurement button (7) once to
perform a measurement. In doing so, hold the device as
steady as possible. The alignment of the device in
relation to the reference point must not be changed
during the measurements!
ð The first measured value will be displayed in the upper
measurement value display.
10
C
B
A
3. Aim the device at the lowest point (A) and briefly press the
Switch-on/measurement button (7) once to perform a
measurement.
ð The second measured value will be indicated in the
third line of the upper measurement value display.
ð The angle will be indicated in the second line of the
upper measurement value display.
ð The line segment to be determined is displayed as
result in the lower measurement value display (25).
Measurement with distances A, B and C:
1. Briefly press the Button for indirect measurements (9)
twice.
ð The symbol
the display.
2. Press the Inclination button (15) for a long time.
ð There will be no angle displayed.
29
28
25
3. First, aim the device at the highest point (C) and briefly
press the Switch-on/measurement button (7) once to
perform a measurement. In doing so, hold the device as
steady as possible. The alignment of the device in
relation to the reference point must not be changed
during the measurements!
ð The first measured value will be displayed in the upper
measurement value display.
4. Align the device horizontally (point B) and briefly press the
Switch-on/measurement button (7) one time to measure
the horizontal distance.
ð The second measured value will be indicated in the
second line of the upper measurement value display.
5. Aim the device at the lowest point (A) and briefly press the
Switch-on/measurement button (7) once to perform a
measurement.
ð The third measured value will be indicated in the third
line of the upper measurement value display.
ð The line segment to be determined is displayed as result in
the lower measurement value display (25).
laser distance measuring device BD21 / BD26
for indirect measurements appears on
EN
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