English - 2
1 609 929 C10 • TMS • 25.09.00
EURO • Printed in Germany • BA 1 609 929 C10 • DUS 20 plus • GB • OSW
09/00
■ Do not point the laser beam at persons or animals.
■ The laser viewing glasses (optional extra) are not protec-
tive glasses against laser radiation. Do not use as protec-
tive glasses against solar radiation and do not wear while
driving.
■ Due to the pointed laser beam, also pay attention to its
path over larger distances.
■ Children may only use the machine under the supervi-
sion of adults.
■ Do not remove the warning sign from the unit.
■ Repairs must be carried out only by a Bosch Service De-
partment.
■ Bosch is only able to ensure perfect functioning of the
machine if the original accessories intended for it are
used.
Open the battery-compartment lid 10 (press on the -
symbol and slide the lid back) and insert the battery. Ensure
correct polarity. Use only alkaline-manganese batteries.
Switching on: Press the "on/off" pushbutton 3. The dis-
play appears.
Switching off: Press the "on/off" pushbutton 3 again.
If not being used for approx. 5 minutes the unit switches off
automatically, in order to save the batteries.
– Do not move the unit during measuring.
– The unit measures from its rear edge, meaning the
length of the measuring tool is included in the measuring
result.
– In case of severe temperature variations, the unit must
adjust to the ambient temperature.
– Taking measurements through glas are not possible.
– Taking measurements on sound-absorbing surfaces are
not possible. In such cases, place a piece of solid mate-
rial such as cardboard or plywood on the target surface.
– Wind can lead to faulty measurements.
– Do not operate the measuring tool in rain.
– If the measuring tool is not used for extended periods of
time, remove the batteries.
Before Putting into Operation
Initial Operation
Operating Instructions
DUS 20 - Bildseite.book Seite 2 Donnerstag, 5. Oktober 2000 11:27 11
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