Berner BCLL BASIC Manuel D'utilisation Et De Sécurité page 25

• Switch off the tool.
• Measure the diff erence between the markings.
• If the diff erence between the markings is 3 mm or less, the tool is
properly calibrated.
• If the diff erence between the markings is more than 3 mm, the tool must
be serviced.
LEVEL CHECK (FIG. I1, I2)
• Place the tool in an area with a wall of at least 9 m length. Mount the tool
to one end of the wall.
• Position the tool at an angle of 90° to the left.
• Switch on the horizontal laser beam.
• Mark the centre of the laser beam at one-third distance (32) and at two-
third distance (33) on the wall.
• Switch off the tool.
• Mount the tool to the other end of the wall.
• Position the tool at an angle of 90° to the right.
• Switch on the horizontal laser beam.
• Switch on the tool, align the laser beam with the wall marking (33) and
mark the laser beam at two-third distance (34) on the wall.
• Switch off the tool.
• Measure the diff erence between the markings (32, 34).
• If the diff erence between the markings is 6 mm or less, the tool is
properly calibrated.
• If the diff erence between the markings is more than 6 mm, the tool must
be serviced.
PLUMB CHECK (FIG. J1, J2)
• Place the tool on the fl oor in an area with a ceiling of at least 2.5 m
height.
• Mark a line of 1.5 m length (35) on the fl oor. Position the tool at one end
of the fl oor marking (35).
• Switch on the vertical laser beam.
• Align the laser beam with the fl oor marking (35).
• Mark the centre of the laser beam at one-third distance (36) and at two-
third distance (37) on the ceiling.
ENGLISH
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