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