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Adding Measured Values
To add measured values, firstly carry out any
measurement or select an entry from the meas-
ured-value list. Then press the plus button 6. For
confirmation, "+" appears on the display. Then
carry out a second measurement or select an-
other entry from the measured-value list.
To call up the sum of both
measurements, press the re-
sult button 5. The calculation
is indicated in the measured-
value lines a, and the sum in
the result line c.
After calculation of the sum, further measured
values or measured-value list entries can be add-
ed to this result when pressing the plus button
6 prior to each measurement. Pressing the re-
sult button 5 ends the addition.
Notes on the addition:
– Mixed length, area and volume values cannot
be added together. For example, when a
length and area value are added, "ERROR"
briefly appears on the display after pressing
the result button 5. Afterwards, the measur-
ing tool switches back to the last active
measuring mode.
– For each calculation, the result of one meas-
urement is added (e.g. the volume value); for
continuous measurements, this would be the
displayed measured value in result line c. The
addition of individual measured values from
the measured-value lines a is not possible.
– For time-delayed length measurements and
when in mark-out mode, additions are not
possible; when changing to these modes,
begun additions are interrupted.
Subtracting Measured Values
To subtract measuring values,
press minus button 12; For
confirmation, "–" is indicated
on the display. The further
procedure is analog to "Add-
ing Measured Values".
Bosch Power Tools
Working Advice
General Information
The reception lens 26 and the laser beam outlet
27 must not be covered when taking a measure-
ment.
The measuring tool must not be moved while
taking a measurement (except for continuous
measurements, minimum/maximum measure-
ments and when in mark-out mode). Therefore,
place the measuring tool, as far as this is pos-
sible, against or on a firm stop or supporting
surface.
Influence Effects on the Measuring Range
The measuring range depends upon the light con-
ditions and the reflection properties of the target
surface. For improved visibility of the laser beam
when working outdoors and when the sunlight is
intense, use the laser viewing glasses 31 (acces-
sory) and the laser target plate 32 (accessory), or
shade off the target surface.
Influence Effects on the Measuring Result
Due to physical effects, faulty measurements
cannot be excluded when measuring on differ-
ent surfaces. Included here are:
– Transparent surfaces (e.g., glass, water),
– Reflecting surfaces (e.g., polished metal,
glass),
– Porous surfaces (e.g. insulation materials),
– Structured surfaces (e.g., roughcast, natural
stone).
If required, use the laser target plate 32 (acces-
sory) on these surfaces.
Furthermore, faulty measurements are also pos-
sible when sighting inclined target surfaces.
Also, air layers with varying temperatures or
indirectly received reflections can affect the
measured value.
English | 31
1 609 929 T67 | (3.7.09)
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