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• Mark the centre of the laser beam at one-third distance (38) and at two-
third distance (39) on the ceiling.
• Switch off the tool.
• Measure the difference between the markings (36, 38).
• Measure the difference between the markings (37, 39).
• If the difference between the markings is 3.5 mm or less, the tool is
properly calibrated.
• If the difference between the markings is more than 3.5 mm, the tool
must be serviced.
Cleaning
• Remove the batteries before cleaning the tool.
• Regularly clean the housing with a soft cloth.
• When necessary, clean the lens using a soft cloth or a cotton bud
soaked in alcohol. Do not use any other cleaning agents.
Protecting the Environment
Separate collection. This product must not be disposed of with
normal household waste.
Should you find one day that your Berner product needs replacement, or
if it is of no further use to you, do not dispose of it with household waste.
Make this product available for separate collection.
Separate collection of used products and packaging allows
materials to be recycled and used again. Re-use of recycled
materials helps prevent environmental pollution and reduces
the demand for raw materials.
E N G L I S H
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