Rotational Laser Level; Intended Use; Inserting/Replacing The Battery - Bosch GRL800-20HV Operating/Safety Instructions Manual

The laser tool is intended for determining and
checking precise horizontal partitions, vertical
lines, building lines and plumb points.
The laser tool is suitable for indoor and
outdoor use.
only when the operating and safety
information are read completely and the
instructions contained therein are strictly
followed. Never make warning labels on
the laser tool unrecognizable.
Use of controls or adjustments or
performance of procedures other than
those specified herein may result in
hazardous radiation exposure.

Inserting/Replacing the Battery

power switch before removing and
replacing batteries.
Alkaline batteries are recommended for
the tool.
Always replace all batteries at the same
time. Use only batteries from one brand
and with identical capacity.
Remove the batteries from the tool when
not using for extended periods. When
storing for extended periods, the batteries
can corrode and self-discharge.
When inserting, pay attention to the
c o r r e c t p o l a r i t y a c c o r d i n g t o t h e
representation of the inside battery lid.
I t i s t h e u s e r 's r e s p o n s i b i l i t y t o
periodically check the accuracy of the
laser tool as work progresses. Always
check the accuracy of the laser tool after
it has been dropped or subject to extreme
temperatures and temperature variations.
To open the battery compartment 14, turn the
locking knob 15 to position and pull out the
battery compartment.
1.800.544.2843

Rotational Laser Level

Working safely with the
laser tool is possible
ALWAYS turn off the
l a s e r a n d t h e m a i n
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15
10 20
5 25
0 30

Intended Use

The use of optical instruments with this
product will increase risk of eye injury.
Have the laser tool repaired only through
qualified specialist using original spare
parts. This ensures that the safety of the laser
tool is maintained.
Do not allow children to use the laser
tool without supervision. They could
unintentionally blind other persons.
Do not use the laser viewing glasses as
safety goggles. The laser viewing glasses
are used for improved visualization of the
laser beam, but they do not protect against
laser radiation.
Do not use the laser viewing glasses as
sun glasses or in traffic. The laser viewing
glasses do not afford complete UV protection
and reduce color perception.
Preparation
Always replace all batteries at the same time.
Only use batteries from one brand and with
identical capacity.
Shut the battery compartment 14 and turn
the locking knob 15 to the locked position.
In case the batteries have been inserted
incorrectly, the laser tool cannot be switched
on. Insert the batteries with correct polarity.
Remove the batteries from the tool when
not using it for extended periods. When
storing for extended periods, the batteries
can corrode and self-discharge.
Low Battery Indicator
When the charge-control indicator 12 flashes
red for the first time, the laser tool can still be
operated for approx. 2 h.
When the charge-control indicator 12
lights up red continuously, leveling is no
longer possible. The laser tool switches off
automatically after 1 minute.
-12-
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