E N G L I S H
Switching on and off (fi g. D)
• To switch the tool on, press the on/off switch (1).
• To switch the tool off, press the on/off switch (1) again.
Transferring a position mark
The tool produces two laser dots in opposite directions to transfer a mark.
• Use the one beam to locate the mark and transfer the mark using the
opposite laser beam.
Optional accessories
Consult your dealer for further information on the appropriate accessories.
MAINTENANCE
Your D
WALT laser unit has been designed to operate over a long period
E
of time with a minimum of maintenance. Continuous satisfactory operation
depends upon proper laser care and regular cleaning.
Field calibration check
The fi eld calibration check must be performed securely and accurately to
make a correct diagnosis. Whenever an error is registered, have the tool
calibrated by a qualifi ed repair agent.
WARNING: Always have the laser head calibrated by a
qualified repair agent.
Plumb check
• Place the tool on the fl oor in an area parallel to a vertical surface of
about 15 m height.
• Mark a marking on the fl oor.
• Switch on the tool and align the laser beam with the fl oor marking.
• Mark the centre of the laser dot on the ceiling.
• Switch off the tool and rotate it 180°.
• Switch on the tool, align the laser beam with the fl oor marking and
once again mark the centre of the laser dot on the ceiling. Switch off
the tool.
• Measure the difference between the markings.
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