•
If the difference between the markings is 3 mm or less, the tool is properly calibrated.
•
If the difference 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
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
beam at two-third distance
•
Switch off the tool.
•
Measure the difference between the markings (
•
If the difference between the markings is 6 mm or less, the tool is properly calibrated.
•
If the difference between the markings is more than 6 mm, the tool must be serviced.
Plumb Check (Fig. J1, J2)
•
Place the tool on the floor in an area with a ceiling of at least 2.5 m height.
•
Mark a line of 1.5 m length
marking
35
.
•
Switch on the vertical laser beam.
•
Align the laser beam with the floor marking
•
Mark the centre of the laser beam at one-third distance
37
on the ceiling.
•
Switch off the tool. Position the tool at the other end of the floor marking
the marking.
•
Switch on the vertical laser beam.
•
Align the laser beam with the floor marking
•
Mark the centre of the laser beam at one-third distance
39
on the ceiling.
•
Switch off the tool.
34
on the wall.
32
35
on the floor. Position the tool at one end of the floor
.
35
.
35
32
and at two-third distance
33
and mark the laser
,
).
34
and at two-third distance
36
38
and at two-third distance
EnGLIsH
35
facing
53