English | 27
To exit addition, press the [Func] button(2).
Subtracting values
To subtract values, press the button (3) [–]. The subsequent steps are the same as for
the section on adding values.
Deleting measured values
Briefly pressing the on/off/back button (8) [ ] will delete the last measured value in all
measuring functions. Repeatedly pressing the on/off/back button (8) [ ] briefly will de-
lete the measured values in reverse order.
Practical advice
General advice
The reception lens (15) and the laser beam output (16) must not be covered during the
measuring process.
The measuring tool must not be moved during a measurement (with the exception of the
continuous measurement and grade measurement functions). For this reason, place the
measuring tool against or on a firm surface whenever possible.
Influences on the measuring range
The measuring range depends on the lighting conditions and the reflective properties of
the target surface. For better visibility of the laser beam in bright extraneous light, use
the laser viewing glasses (20) (accessory) and the laser target plate (19) (accessory) or
shade the target area.
Influences on the measurement result
Due to physical effects, the possibility of inaccurate measurements when measuring vari-
ous surfaces cannot be excluded. These include:
– Transparent surfaces (e.g. glass, water)
– Reflective surfaces (e.g. polished metal, glass)
– Porous surfaces (e.g. insulating materials)
– Structured surfaces (e.g. roughcast, natural stone).
If necessary, use the laser target plate (19) (accessory) on these surfaces.
Inaccurate measurements are also possible where the laser is pointed at target surfaces
diagonally.
Layers of air at different temperatures and indirectly received reflections can also influ-
ence the measured value.
Bosch Power Tools 1 609 92A 62A | (21.12.2020)
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