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OBJ_BUCH-1444-003.book Page 16 Wednesday, October 19, 2011 1:58 PM
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– Structured surfaces (e.g., roughcast, natural stone).
If required, use the laser target plate 20 (accessory) on these
surfaces.
Furthermore, faulty measurements are also possible when
sighting inclined target surfaces.
Also, air layers with varying temperatures or indirectly re-
ceived reflections can affect the measured value.
Accuracy Check of the Distance Measurement
The accuracy of the distance measurement can be checked as
follows:
– Select a permanently unchangeable measuring section
with a length of approx. 1 to 10 metres; its length must be
precisely known (e.g. the width of a room or a door open-
ing). The measuring distance must be indoors; the target
surface for the measurement must be smooth and reflect
well.
– Measure the distance 10 times after another.
The deviation of the individual measurements from the mean
value must not exceed ±2 mm (max.). Log the measure-
ments, so that you can compare their accuracy at a later point
of time.
Working with the Tripod (Accessory)
The use of a tripod is particularly necessary for larger distanc-
es. Position the measuring tool with the 1/4" thread 14 onto
the quick-change plate of the tripod 18 or a commercially
available camera tripod. Tighten the measuring tool with the
locking screw of the quick-change plate.
Set the corresponding reference level for measurement with
a tripod by pushing button 6 (the reference level is the
thread).
Troubleshooting
Causes and Corrective Meas-
–
ures
Cause
Temperature warning indicator (f) flashing; measure-
ment not possible
The measuring tool is outside the
operating temperature range from
– 10 °C to + 50 °C (in the function
continuous measurement up to
+40 °C).
"ERROR" indication in the display
Addition/Subtraction of measured
values with different units of meas-
ure
The angle between the laser beam
and the target is too acute.
The target surface reflects too in-
tensely (e.g. a mirror) or insuffi-
ciently (e.g. black fabric), or the
ambient light is too bright.
2 609 140 773 | (19.10.11)
Cause
The laser beam outlet 11 or the re-
ception lens 12 are misted up
(e.g. due to a rapid temperature
change).
Calculated value is greater than
999999 m/m
Measuring result not plausible
The target surface does not reflect
correctly (e.g. water, glass).
The laser beam outlet 11 or the re-
ception lens 12 are covered.
Wrong reference level set
Obstruction in path of laser beam Laser point must be
The indication remains unchanged or the measuring tool
reacts unexpected after pressing a button
Software error
measuring tool checked by an after-sales service agent for
Corrective Measure
Bosch power tools.
Maintenance and Service
Wait until the measuring
Maintenance and Cleaning
tool has reached the op-
erating temperature
Store and transport the measuring tool only in the supplied
protective pouch.
Keep the measuring tool clean at all times.
Do not immerse the measuring tool in water or other fluids.
Only add/subtract
Wipe off debris using a moist and soft cloth. Do not use any
measured values with
cleaning agents or solvents.
the same units of meas-
Maintain the reception lens 12 in particular, with the same
ure
care as required for eye glasses or the lens of a camera.
Enlarge the angle be-
If the measuring tool should fail despite the care taken in man-
tween the laser beam
ufacturing and testing procedures, repair should be carried
and the target
out by an authorised after-sales service centre for Bosch pow-
er tools. Do not open the measuring tool yourself.
Work with the laser tar-
get plate 20 (accessory)
In all correspondence and spare parts orders, please always
include the 10-digit article number given on the type plate of
the measuring tool.
In case of repairs, send in the measuring tool packed in its
protective pouch 17.
Corrective Measure
Wipe the laser beam out-
let 11 and/or the recep-
tion lens 12 dry using a
soft cloth
Divide calculation into
2
3
/m
.
intermediate steps
Cover off the target sur-
face
Make sure that the laser
beam outlet 11 or the re-
ception lens 12 are un-
obstructed
Select reference level
that corresponds to
measurement
completely on target
surface.
Remove the batteries
and start the measuring
tool again after reinsert-
ing them.
The measuring tool monitors the correct
function for each measurement. When a de-
fect is determined, only the symbol shown
aside flashes in the display. In this case, or
when the above mentioned corrective
measures cannot correct an error, have the
Bosch Power Tools
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