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10
E
8.
If your measurement is greater than the Allowable
Distance Between P1 & P3 for the corresponding
Distance Between Walls in the following table, the laser
must be serviced at an authorized service center.
Distance Between
Walls
Allowable Distance
Between P1 & P3
20′ (6.0m) 9/64” (3.6mm)
30′ (9.0m) 7/32” (5.4mm)
50′ (15.0m) 11/32” (9mm)
75′ (23.0m) 9/16” (13.8mm)
9.
Repeat steps 2 through 8 to check the accuracy of the right
dot and then the left dot, making sure that the laser dot you
are testing is the laser dot facing each wall.
Level Dot Accuracy - Square
Checking the level calibration of the laser unit requires a room
at least 35’ (10m) long. All marks can be made on the oor
by placing a target in front of the level or square beam and
transferring the location to the oor.
NOTE: To ensure accuracy, the distance (D1) from P1 to P2, P2
to P3, P2 to P4, and P2 to P5 should be equal.
1.
Mark point P1 on the oor at one end of the room, as
shown in Figure
I
#1.
2.
Turn the laser ON and press once to display dots above,
ahead, and below the laser.
3.
Place the laser so that the down dot is centered over point
P1 and make sure the front dot points toward the far end of
the room (Figure
I
#1).
4.
Using a target to transfer the front level dot location on the
wall to the oor, mark point P2 on the floor and then point P3
on the floor (Figure
I
#1).
5.
Move the laser to point P2 and align the front level dot to
point P3 again (Figure
I
#2).
6.
Using a target to transfer the front level dot location on the
wall to the oor, mark the location of two square beams as
points P4 and P5 on the oor (Figure
I
#2).
7.
Turn the laser 90° so the front level dot aligns to point P4
(Figure
I
#3).
8.
Mark the location of the rst square beam as point P6 on
the oor as close as possible to point P1 (Figure
I
#3).
9.
Measure the distance between points P1 and P6 (Figure
I
#3).
10.
If your measurement is greater than the Allowable
Distance Between P1 & P6 for the corresponding
Distance (D1) in the following table, the laser must be
serviced at an authorized service center.
Distance (D1)
Allowable Distance Between
P1 & P6
25’ (7.5m) 3/32” (2.2mm)
30’ (9m) 7/64” (2.7mm)
50’ (15m) 3/16”(4.5mm)
11.
Turn the laser 180° so the front level dot aligns to point P5
(Figure
I
#4).
12.
Mark the location of the second square beam as point P7
on the oor as close as possible to point P1 (Figure
I
#4).
13.
Measure the distance between points P1 and P7 (Figure
I
#4).
14.
If your measurement is greater than the Allowable
Distance Between P1 & P7 for the corresponding
Distance (D1) in the following table, the laser must be
serviced at an authorized service center.
Distance (D1)
Allowable Distance Between
P1 & P7
25’ (7.5m) 3/32” (2.2mm)
30’ (9m) 7/64” (2.7mm)
50’ (15m) 3/16”(4.5mm)
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