Memory Functions; Working Advice - Bosch DLE 40 Professional Originalbetriebsanleitung

OBJ_DOKU-27402-001.fm Page 14 Thursday, July 14, 2011 10:43 AM
14 | English
After taking the third measure-
ment, the volume is automatically
calculated and displayed. The last
individual measured value is indi-
cated at the bottom in the display,
while the final result is shown at
the top.
Continuous Measurement (Tracking) (see figure D)
For continuous measurements, the measuring tool can be
moved relative to the target, whereby the measuring value is
updated approx. every 0.5 seconds. In this manner, as an ex-
ample, you can move a certain distance away from a wall,
while the actual distance can always be read.
For continuous measurements, first select the length measur-
ing function and then press button 9 until the indicator for
continuous measurement appears on the display. The la-
ser is switched on and the measurement starts immediately.
Move the measuring tool until the
required distance value is indicat-
ed in the bottom of the display.
Briefly pressing button 9 ends the
continuous measurement. The last
measured value is indicated at the
bottom in the display. Pressing button 9 for several seconds
restarts a continuous measuring run.
Continuous measurement automatically switches off after
5 min. The last measured value remains indicated at the bot-
tom on the display.
Deleting Measured Values
Briefly pressing button 13 deletes the last individual measur-
ing value determined in all measuring functions. Briefly press-
ing the button repeatedly deletes the individual measured val-
ues in reverse order.

Memory Functions

When switching off the measuring tool, the value in the mem-
ory is retained.
Storing/Adding Measured Values
Push the memory add button 3 in
order to store the current meas-
ured value – a length, area or vol-
ume value, depending on the cur-
rent measuring function. As soon
as a value has been stored, "M" is
indicated in the display and the
"+" behind it briefly flashes.
If a value is already stored in the memory, the new value is
added to the memory contents, however, only when the
measures of unit correspond.
As an example, when an area value is in the memory and the
current measured value is a volume value, the addition cannot
take place. "Error" briefly flashes in the display.
2 609 140 582 | (14.7.11)
Subtracting Measured Values
Push the memory subtraction button 11 in order to subtract
the current measured value from the memory value. As soon
as a value has been subtracted, "M" is indicated in the display
and the "–" behind it briefly flashes.
If a value is already stored in the memory, the new measured
value can be subtracted only when the measures of unit corre-
spond (see "Storing/Adding Measured Values").
Displaying the Stored Value
Push the memory retrieve button 2
in order to display the value stored
in the memory. "M=" is indicated
in the display. When the memory
contents "M=" is indicated in the
display, it can be doubled by push-
ing the memory add button 3 or set
to zero by pushing the memory
subtract button 11.
Deleting the Memory
To delete the memory contents, first push the memory re-
trieve button 2, so that "M=" is indicated in the display. Then
briefly press button 13; "M" is no longer indicated in the dis-
play.

Working Advice

General Information
The reception lens 19 and the laser beam outlet 18 must not
be covered when taking a measurement.
The measuring tool must not be moved while taking a meas-
urement (with the exception of the continuous measurement
function). Therefore, place the measuring 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 surfaces are sighted at an incline.
Influence Effects on the Measuring Range
The measuring range depends upon the light conditions 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 21 (ac-
cessory) and the laser target plate 22 (accessory), or shade
off the target surface.
Influence Effects on the Measuring Result
Due to physical effects, faulty measurements cannot be ex-
cluded 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).
If required, use the laser target plate 22 (accessory) on these
surfaces.
Also, air layers with varying temperatures or indirectly re-
ceived reflections can affect the measured value.
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