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OBJ_DOKU-27449-001.fm Page 23 Monday, July 18, 2011 10:31 AM
English | 23
Deleting the Memory
To delete the memory contents, first push the memory retrieve button 4, so that
"M=" is indicated in the display. Then briefly press button 7; "M" is no longer in-
dicated in the display.
Working Advice
General Information
The reception lens 20 and the laser beam outlet 19 must not be covered when
taking a measurement.
The measuring tool must not be moved while taking a measurement (with the ex-
ception of the continuous measurement function). Therefore, place the measur-
ing tool, as far as this is possible, against or on the measuring points.
Measurement takes place at the centre of the laser beam, even when target sur-
faces are sighted at an incline.
Influence Effects on the Measuring Range
The measuring range depends upon the light conditions and the reflection prop-
erties of the target surface. For improved visibility of the laser beam when work-
ing outdoors and when the sunlight is intense, use the laser viewing glasses 22
(accessory) and the laser target plate 24 (accessory), or shade off the target sur-
face.
Influence Effects on the Measuring Result
Due to physical effects, faulty measurements cannot be excluded when measur-
ing 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).
If required, use the laser target plate 24 (accessory) on these surfaces.
Also, air layers with varying temperatures or indirectly received reflections can
affect the measured value.
Measuring with the Positioning Pin (see figures B and F)
The positioning pin 14 is suitable for measuring out of corners (diagonal within a
space) or from hard to reach areas, such as from roller-shutter rails.
Slide the latch 15 of the positioning pin sideward in order to swivel out the pin.
Set the corresponding reference level for measurements with the positioning pin
by pushing button 9.
The positioning pin 14 swivels back in again by pushing it toward the housing to
the stop. The pin automatically locks in place.
Aligning with the Spirit Level
The spirit level 16 allows for simple levelling of the measuring tool. This allows
for easier sighting of target surfaces, especially over longer distances.
In combination with the laser beam, the spirit level 16 is not suitable for levelling.
Sighting with the Alingment Aid (see figure G)
With the alignment aid 11, sighting over larger distances is a lot easier. For this,
look alongside the aligning aid on the top side of the measuring tool. The laser
beam runs parallel to this line of sight.
Bosch Power Tools
2 609 140 621 | (18.7.11)
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