22
24
Checking the vertical line
5 m
5
m
max. 1,5 mm
Fasten a plumb line to the wall. Put the HEDÜ M-I or HEDÜ
M-IIS about 5 m in front of this wall.
Align the laser beam with the lowest point of the plumb line.
The distance of the plumb line to the laser line should not
amount 1,5 mm at a height of 5 m.
You need a plumb line for this!