6Read the target plates on the walls (A,B) to detect the reference points.
7If the readings of the target plates differ less than ± 5 mm, the instrument needs not to be adjusted.
8If more than ± 5 mm, proceed to the following (Adjustment) procedure.
Wall A
Appr. 20m | Appr. 20m |
|
Target |
|
|
Detector |
|
|
X side in 1 | X side in 5 | Wall B |
36