Bosch GLL40-20G Operating/Safety Instructions Manual page 13

condensation which is expected. In such conditions,
equipment is normally protected against exposure to direct
sunlight, precipitation, and full wind pressure, but neither
temperature nor humidity is controlled.
Use only alkaline batteries.
To open the battery lid 4, press the latch of the battery lid 3 and fold the
battery lid up. Insert the supplied batteries.
When inserting, pay attention to the correct polarity according to the
representation on the inside of the battery compartment.
When the batteries are low, the laser beams flash 0.3 s off, 0.3 s on, a
total of 3 times, repeating this cycle every 1 minute.
Always replace all batteries at the same time. Only use batteries from
one brand and with the identical capacity.
storing for extended periods, the batteries can corrode and discharge
themselves.
1.800.544.2843
Preparation
Inserting/Replacing the Battery
Remove the batteries from the tool when
not using it for extended periods. When
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