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21
Bosch Power Tools
1 609 92A 0JX | (28.3.14)
Press the “HOLD” button
2
once more to stop
the measuring procedure again. The laser
beam is switched off and the
HOLD
indication
appears on the display. The previous measur-
ing value is displayed in the top line. The cur-
rent measuring value is displayed in the bot-
tom line, but is no longer continuously
updated.
When no button on the measuring tool is pressed for approx. 5 minutes,
the measuring tool automatically switches off to save the batteries.
When a measuring value was held using the “HOLD” function, it is retained
after the automatic shut-off. After switching the measuring tool on again
by pressing the “HOLD” button
2
, the previous measuring value
e
is indi-
cated in the top line of the display.
Working Advice
General Information
The reception lens
8
and the laser beam outlet
9
must not be covered
when taking a measurement.
Measurement takes place at the centre of the laser beam, even when tar-
get surfaces are sighted at an incline.
Influence Effects on the Measuring Range
The measuring range depends on the light conditions and the reflection
properties of the target surface.
Influence Effects on the Measuring Result
Due to physical effects, faulty measurements cannot be excluded when
measuring on different 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).
Also, air layers with varying temperatures or indirectly received reflec-
tions can affect the measured value.
OBJ_BUCH-1900-002.book Page 21 Friday, March 28, 2014 3:24 PM
