Stanley MultiLine 1-77-122 User Manual page 16

2. Rotate laser unit 90° and align front
vertical laser beam with point P
point P where the horizontal and front
2
vertical laser beams cross.
3. Rotate laser unit 90° and align right 90°
vertical reference laser beam with point
P . Mark point P
1
right 90° vertical reference laser beams
cross.
4. Measure the vertical distance D
the highest and lowest point
5. Calculate the maximum allowed offset
distance and compare to D
not less than or equal to the calculated
maximum offset distance the unit must be
returned to your Stanley Distributor.
Example: D = 5 m, D
1
mm
0,2 x 5 m = 1 mm (maximum allowed offset distance)
m
1 mm ≤ 1 mm (TRUE, unit is within calibration)
16
. Mark
1
where the horizontal and
3
between
2
.
. If D is
2 2
= 1 mm
2
P
1
P
2
D
1
P
1
P
2
P
3
D
1
P
1
P D
2 2
P
3
Maximum Offset Distance:
mm
= 0,2 x D m
m
1
Max
in
= 0,0024 x D
ft
1
Compare:
D ≤ Max
2
ft
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