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English | 39
The measuring tool will automatically suggest a calibration after severe variations in tem-
perature.
Accuracy check of the distance measurement
You can check the accuracy of the distance measurement as follows:
– Choose a measuring section of approx. 3 to 10 m in length that is permanently un-
changed, the exact length of which is known to you (e.g. room width, door opening).
The measuring section must be indoors, and the target surface of the measurement
must be smooth and reflect well.
– Measure the section ten times in succession.
The deviation between the individual measurements and the mean value must not ex-
ceed ± 2mm. Record the measurements in order to be able to compare the accuracy
later on.
Measure using positioning plate (see figure B)
The use of the positioning plate (3) is suitable for applications such as measuring from
corners (room diagonal) or from hard-to-reach areas.
Fold out the positioning plate (3).
Set the reference level to measurement with positioning plate in the measuring tool.
When the measurement has been completed, fold the positioning plate (3) back in.
Errors – causes and corrective measures
Cause Corrective measures
Temperature warning(b) flashes, measurement not possible
The measuring tool is outside the operating
temperature of –10 °C to +50 °C (in the
continuous measurement function, up to
+40 °C).
Wait until the measuring tool has reached
operating temperature.
Battery indicator decreasing
The battery voltage is weakening (measur-
ing is still possible).
Change the batteries or battery pack
Battery indicator empty, measurement not possible
Battery voltage too low Change the batteries or battery pack
"Error" indicator in the display
Angle between laser beam and target is too
acute.
Increase the angle between the laser beam
and the target
Bosch Power Tools 1 609 92A 4P1 | (17.01.2019)
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