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OBJ_BUCH-1444-003.book Page 14 Wednesday, October 19, 2011 1:58 PM
14 | English
ation. In case of extreme temperatures or variations in
temperature, the accuracy of the measuring tool can be im-
paired.
Avoid heavy impact to or falling down of the measuring
tool. After severe exterior effects to the measuring tool, it
is recommended to carry out an accuracy check (see "Ac-
curacy Check of the Distance Measurement", page 16)
each time before continuing to work.
Switching On and Off
For switching on the measuring tool, the following possibili-
ties are given:
– Pressing the On/Off button 4: The measuring tool is
switched on and is in length measurement mode. The laser
is not activated.
– Pressing the measuring button 2: Measuring tool and laser
are switched on. The measuring tool is in length measure-
ment mode.
Do not point the laser beam at persons or animals and
do not look into the laser beam yourself, not even from
a large distance.
To switch off the measuring tool, press the On/Off button 4
for a few seconds.
When no button on the measuring tool is pressed for approx.
5 minutes, the measuring tool automatically switches off to
save the batteries.
Measuring Procedure
After switching on by pressing the measuring button 2, the
measuring tool is always in length measurement mode. Other
measuring modes can be switched to by pressing the respec-
tive function/mode button (see "Measuring Functions",
page 14).
After switching on, the rear edge of the measuring tool is pre-
set as the reference level for the measurement. By pressing
the reference level button 6, the reference level can be
changed (see "Selecting the Reference Level", page 14).
Place the measuring tool with the selected reference plane
against the desired starting point of the measurement (e.g. a
wall).
Briefly press the measuring button 2 to switch on the laser
beam.
Do not point the laser beam at persons or animals and
do not look into the laser beam yourself, not even from
a large distance.
Aim the laser beam at the target surface. Briefly press the
measuring button 2 again to initate the measurement.
In the continuous measurement mode, the measurement be-
gins immediately upon switching on the function.
Typically, the measured value appears after 0.5 seconds and
latest after 4 seconds. The duration of the measurement de-
pends on the distance, the light conditions and the reflection
properties of the target surface. The laser beam is switched
off automatically upon completion of the measurement.
When no measurement has taken place approx. 20 seconds
after sighting, the laser beam is switched off automatically to
save the batteries.
2 609 140 773 | (19.10.11)
Selecting the Reference Level (see figure A)
For the measurement, you can select between three different
reference planes:
– The rear measuring-tool edge (e.g. when measuring on-
ward from a wall),
– The front measuring-tool edge (e.g. when measuring on-
ward from a table edge),
– The centre of thread 14 (e.g. for tripod measurements).
To select the reference level, press button 6 until the request-
ed reference level is indicated on the display. Each time after
switching on the measuring tool, the rear end of the measur-
ing tool is preset as the reference level.
Display Illumination
The display illumination is automatically activated, depending
on the ambient brightness. When no button is pressed after
the display illumination switches on, it is dimmed to save the
batteries.
Measuring Functions
Simple Length Measurement (see figure B)
For length measurements, press button 9 until the "length
measurement" indication appears on the display.
To switch the laser on and for measuring,
briefly press the measuring button 2 once
each time.
The measured value is displayed in the re-
sult line b.
For several subsequent length measurements, the last meas-
ured results are displayed in the measured-value lines a.
Area Measurement (see figure C)
For area/surface measurements, press button 3 until the indi-
cator for area/surface measurement
play.
Afterwards, measure the length and the width, one after an-
other, in the same manner as a length measurement. The laser
beam remains switched on between both measurements.
Upon completion of the second measure-
ment, the surface is automatically calcu-
lated and displayed in the result line b.
The individual measured values are dis-
played in the measured-value lines a.
Volume Measurement (see figure D)
For volume measurements, press button 3 until the indicator
for volume measurement
appears on the display.
Afterwards, measure the length, width
and the height, one after another, in the
same manner as for a length measure-
ment. The laser beam remains switched
on between all three measurements.
Upon completion of the third measure-
ment, the volume is automatically calcu-
lated and displayed in the result line b.
The individual measured values are dis-
played in the measured-value lines a.
appears on the dis-
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