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The laser viewing glasses (accessory) are not protective glasses
s
against laser radiation. Do not use them as protective glasses against
strong sun light or in traffic.
Children may only use the machine under the supervision of adults.
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Do not remove the warning sign from the unit.
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Have repairs carried out only by a Bosch After-Sales Service. Never
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open the unit yourself.
Bosch is only able to ensure perfect functioning of the machine if the
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original accessories intended for it are used.
Protection of the Unit
Avoid heavy shocks or falls. After heavy exterior influences on the unit,
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always perform a precision check before continuing work (see Section
Levelling Accuracy).
The unit can be used in indoor and outdoor areas. It is protected
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against splash water but not 100 % waterproof; do not immerse the
unit in water.
Do not expose the unit to extreme temperatures and temperature var-
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iations (e. g., do not leave in vehicles).
Inserting/Replacing the Batteries
E
Loosen the screw of the battery compartment cover 14. Remove the bat-
tery compartment cover 13. Insert the batteries into the housing such that
the negative terminals rest against the battery springs. Mount the cover
and tighten the screw.
The 1.5 V mono-cells (LR 20) provided make possible an operating time
of approx. 40 hours in rotation mode.
Extreme temperatures and the use of batteries of different charged con-
ditions decrease the operational duration of the unit.
Always replace both batteries. Never use batteries of different capac-
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ity. Use batteries from only one manufacturer, if possible.
Putting into Operation
Do not look directly into the laser beam and do not point the laser
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beam at the eyes of other persons. When the construction laser is
switched on, the laser is activated. The laser emits beams upwards
and to the side.
Switching On/Off: Press the on-off switch 5.
When the maximum allowed operating temperature of 45 °C is
exceeded, the laser beam automatically switches off in order
to protect the laser diode. After cooling, the unit is again ready
for operation and can be switched on again.
Levelling and Alignment of the
Construction Laser
Horizontal Alignment/Aligning the Plumb Beam
A
Switch on the construction laser and align with the bubble level (1) 6 by
turning the adjustment knob (1) 8 to the right until level. The bubble level
(3) 12 is aligned by turning the adjustment knob (2) 10 to the right. When
the bubble levels 6 and 12 are aligned, the unit is level and ready for op-
eration.
1 609 929 C25 • (01.07) T
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