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target surface that could serve as a reflector. This measuring procedure can only be em-
ployed vertically. Any horizontal deviation will lead to measurement errors.
Note:
Indirect distance measurement is always less accurate than direct distance meas-
urement. For application-related reasons, measuring errors can be greater than with dir-
ect distance measurement. To improve the accuracy of measurement, we recommend
the use of a tripod (accessory).
The laser beam remains switched on between the individual measurements.
a) Indirect height measurement (see figure D)
Select the indirect height measurement mode
.
Ensure that the measuring tool is at the same height as the lower measuring point. Then
tilt the measuring tool around the reference level and measure distance
1
as for a length
measurement (displayed as a red line).
14.142 m
45°
m
20.000
45.0°
Once the measurement is complete, the result for the required dis-
tance
X
is displayed in the result line
(e)
. The measured values for
distance
1
and angle
α
can be found in the measured value rows
(d)
.
b) Double indirect height measurement (see figure E)
The measuring tool can indirectly measure all distances that lie in the vertical level of the
measuring tool.
Select the double indirect height measurement mode .
Measure distances
1
and
2
in succession as for a length measurement.
8.765 m
-10°
m
10.154
45.0°
m
12.208
Once the measurement is complete, the result for the required dis-
tance
X
is displayed in the result row
(e)
. The measured values for
distances
1
and
2
and angle
α
can be found in the measured value
rows
(d)
.
Ensure that the reference level for the measurement (e.g. the rear
edge of the measuring tool) remains in exactly the same place for all
the individual measurements in a single measuring process.
c) Indirect length measurement (see figure F)
Select the indirect length measurement mode
.
Ensure that the measuring tool is at the same height as the required measuring point.
Then tilt the measuring tool around the reference level and measure distance
1
as for a
length measurement.
1 609 92A 5YM | (19.01.2021)
Bosch Power Tools
Содержание Professional GLM 50-27 CG
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