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18 | English
– On metallic surfaces using the magnets (18).
Operation
Starting Operation
Protect the measuring tool from moisture and direct
u
sunlight.
Do not expose the measuring tool to any extreme tem-
u
peratures or fluctuations in temperature. For example,
do not leave it in a car for extended periods of time. If it
has been subjected to significant fluctuations in temper-
ature, first allow the measuring tool to adjust to the ambi-
ent temperature and then always carry out an accuracy
check before continuing work (see "Accuracy Check of
the Measuring Tool", page 20).
The precision of the measuring tool may be compromised
if exposed to extreme temperatures or fluctuations in
temperature.
Avoid substantial knocks to the measuring tool and
u
avoid dropping it. Always carry out an accuracy check
before continuing work if the measuring tool has been
subjected to severe external influences (see "Accuracy
Check of the Measuring Tool", page 20).
Switch the measuring tool off when transporting it.
u
The pendulum unit is locked when the tool is switched off,
as it can otherwise be damaged by big movements.
Switching On/Off
To switch on the measuring tool, slide the on/off
switch (10) to the On position (for working with the pen-
dulum lock) or to the
On position (for working with auto-
matic levelling). As soon as it is switched on, the measuring
tool emits laser beams from the outlet apertures (1).
Do not direct the laser beam at persons or animals and
u
do not stare into the laser beam yourself (even from a
distance).
To switch off the measuring tool, slide the on/off switch
(10) to the Off position. The pendulum unit is locked when
the tool is switched off.
Never leave the measuring tool unattended when
u
switched on, and ensure the measuring tool is
switched off after use. Others may be blinded by the
laser beam.
If the maximum permitted operating temperature of 50 °C is
exceeded, the tool shuts down to protect the laser diode.
Working with Automatic Levelling
Sequence of actions
On/off switch (10) in position "
Press the laser operating mode
Laser
button (6) once
1 609 92A 4HH | (16.11.2020)
Once it has cooled down, the measuring tool is operational
again and can be switched back on.
Automatic shut-off
If no button on the measuring tool is pressed for approx.
120 min, the measuring tool will automatically switch itself
off to preserve battery life.
To switch the measuring tool back on after it has been auto-
matically switched off, you can either slide the on/off switch
(10) to the "Off" position first and then switch the measur-
ing tool back on, or press either the laser mode button (6) or
the receiver mode button (5) once.
Temporarily Deactivating Automatic Shut-Off
To deactivate the automatic shut-off function, hold down the
laser mode button (6) for at least 3 s (with the measuring
tool switched on). If the automatic shut-off function is deac-
tivated, the laser beams will flash briefly as confirmation.
Note: If the operating temperature exceeds 45 °C, automatic
shut-off can no longer be deactivated.
To activate the automatic shut-off function, switch the meas-
uring tool off and on again.
Setting the Operating Mode
The measuring tool has several operating modes, which you
can switch between at any time:
– Cross-line and point mode: The measuring tool gener-
– Horizontal line mode: The measuring tool generates a
– Vertical line mode: The measuring tool generates a ver-
– Point mode: The measuring tool generates two vertical
All operating modes, apart from point operation, can be se-
lected with both automatic levelling or the pendulum lock.
To change the operating mode, press the laser mode
button (6).
Horizontal line
Vertical line
mode
mode
●
On"
Cross-line mode
●
ates a horizontal and a vertical laser line as well as two
vertical laser points, one facing up, the other down. The
laser lines cross at a 90° angle.
horizontal laser line in front of it.
tical laser line in front of it.
Positioning the measuring tool in the room displays the
vertical laser line on the ceiling beyond the top laser
point.
If the measuring tool is positioned directly against a wall,
the vertical laser line almost encircles the entire space
(360° line).
laser points, one facing up, the other down.
Point mode
Pendulum lock
indicator (4)
●
●
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Figure
B
C
Bosch Power Tools
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