To check level
Choose a wall and set laser 5m away from the wall. Turn
on the laser and cross laser line is marked A on the wall.
Find another point M on the horizontal line, the distance is
around 2.5m. Swivel the laser, and another cross point of
cross laser line is marked B. Please note the distance of
B to A should be 5m.
Measure the distance between M to cross laser line.
To check plumb
Choose a wall and set laser 5m away from the wall. Hang a
plumb with the length 2.5 m on the wall. Turn on the laser
and make the vertical laser line meet the point of the plumb.
The accuracy of the line is in the range if the vertical line doesn’t
exceed (up or down) the accuracy that is shown in the
spesifications (e.g. ±3mm/10m). If the accuracy isn’t
corresponding with claimed accuracy, contact the authorized service center.
m
m
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