Bosch GRL 250 HV User Manual

-12-
Initial Operation
Protect the tool against
moisture and direct sun
irradiation.
Do not subject the tool to extreme
temperatures or variations in temperature.
As an example, do not leave it in vehicles for
longer periods. In case of large variations in
temperature, allow the tool to adjust to the
ambient temperature before putting it into
operation. In case of extreme temperatures or
variations in temperature, the accuracy of the
tool can be impaired.
It is the user’s responsibility to periodically
check the accuracy of the measuring tool
as work progresses. Always check the
accuracy of the measuring tool after it
has been dropped or subject to extreme
temperatures and temperature variations.
Avoid heavy impact or and prevent the
tool from falling. After heavy exterior impact
on the tool, an accuracy check should always
be carried out before continuing to work (see
“Leveling Accuracy”).
Setting Up the Tool
Horizontal position Vertical position
Set up the laser tool on a sturdy surface in the
horizontal or vertical position; mount it on a
tripod
21 or to the wall mount with alignment
unit
25.
Due to the high leveling accuracy, the laser
tool reacts sensitively to ground vibrations and
position changes. Therefore, pay attention
that the position of the laser tool is stable in
order to avoid operational interruptions due to
re-leveling.
Turning on the Tool
DO NOT direct the laser
beam at persons or animals
and do not stare into the laser beam
yourself, not even from a large distance.
Do not leave the switched on laser tool
unattended and switch the laser tool off
after use. Serious eye injury could result from
the laser beam.
Immediately after switching on, the laser tool
sends out the vertical plumb beam
9 and the
variable laser beam
6.
For
switching on the laser tool, press the On/
Off button
4. The indicators 1, 3 and 12 light
up briefly. The laser tool immediately starts
the automatic leveling. During the leveling, the
leveling indicator
3 lights up green and the laser
flashes in point operation.
The laser tool is leveled in as soon as leveling
indicator
3 lights up green continuously and
the laser beam is steady. After the leveling is
completed, the laser tool automatically starts in
rotational operation.
With the operating mode buttons
5 and 11,
the operating modes can already be specified
during leveling in (see “Operating Modes, page
13). In this case, the laser tool starts in the set
operating mode upon completion of leveling in.
Turning off the Tool
To
switch off the laser tool, press the On/Off
button
4 again.
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laser tool unattended and switch
the laser tool off after use.
To save the batteries, the laser tool is
automatically switched off when not within the
self-leveling range for more than 2 h or when
the shock warning is actuated for more than
2 h (see “Automatic Leveling”). Reposition the
laser tool and switch it
on again.
Working Advice
Always use the center of the laser point for
marking. The size of the laser point changes with
the distance.
Operation
!
WARNING
!
WARNING
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Bosch GRL 250 HV Specifications

General

Brand	Bosch
Model	GRL 250 HV
Category	Measuring Instruments
Language	English