Operation Manual

14
77-117
Calibration
NOTE: The laser unit has been calibrated at the time of manufacturing. Periodically check
the accuracy of the laser unit to ensure that the calibrated specifications are maintained.
1. Place laser unit as shown with laser ON.
Mark point P
1
at cross.
Level Beam Accuracy
2. Rotate laser unit 180° and mark point P
2
at cross.
3. Move laser unit close to wall and mark
point P
3
at cross.
4. Rotate laser unit 180° and mark point P
4
at cross.
P
1
D
1
D
1
2
P
2
P
1
D
1
D
1
2
P
3
P
1
P
2
D
2
P
4
P
1
P
2
P
3
D
2