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When the battery symbol
teries/rechargeable batteries must be replaced.
Measurements are no longer possible.
Replace all batteries/rechargeable batteries
at the same time. Do not use different brands
or types of batteries/rechargeable batteries
together.
Remove the batteries/rechargeable batter-
ies from the measuring tool when not using
it for longer periods. When storing for longer
periods, the batteries/rechargeable batteries
can corrode and discharge themselves.
Operation
Initial Operation
Protect the measuring tool against mois-
ture and direct sun light.
Do not subject the measuring tool to ex-
treme temperatures or variations in tem-
perature. As an example, do not leave it in
vehicles for longer periods. In case of large
variations in temperature, allow the measur-
ing tool to adjust to the ambient temperature
before putting it into operation. In case of
extreme temperatures or variations in tem-
perature, the accuracy of the measuring tool
can be impaired.
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 "Accuracy
Check of the Measuring Tool", page 33) each
time before continuing to work.
1 609 929 T67 | (3.7.09)
flashes, the bat-
Switching On and Off
For switching on the measuring tool, the follow-
ing possibilities are given:
– Pressing the On/Off button 16: The measur-
ing tool is switched on and is in length meas-
urement mode. The laser is not activated.
– Briefly pressing the measuring button 7:
Measuring tool and laser are switched on.
The measuring tool is in length measurement
mode.
– Pressing the measuring button 7 for several
seconds: Measuring tool and laser are
switched on. The measuring tool is in con-
tinuous measurement 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 16 for a few seconds.
When no button on the measuring tool is pressed
for approx. 5 minutes, the measuring tool auto-
matically switches off to save the batteries.
When switching off automatically, all stored
values are retained.
Measuring Procedure
After switching on, the measuring tool is always
in length measurement or continuous measure-
ment mode. Other measuring modes can be
switched to by pressing the respective mode
button (see "Measuring Functions", page 26).
After switching on, the rear edge of the measur-
ing tool is preset as the reference level for the
measurement. By pressing the reference level
button 8, the reference level can be changed
(see "Selecting the Reference Level", page 25).
Upon selection of the measuring function and
the reference level, all further steps are carried
out by pushing the measuring button 7.
With the reference level selected, place the
measuring tool against the desired measuring
line (e.g. a wall).
Briefly press the measuring button 7 to switch
on the laser beam.
Bosch Power Tools
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