ADA INSTRUMENTS ROTARY 400 HV SERVO Operating Manual page 11

CALIBRATION
Laser level is calibrated on the factory. Check the calibration any time when
you drop the tool or mishandle it.
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HORIZONTAL PLANE CALIBRATION TEST
1. Set up the tool approximately 150ft (50m) from a wall or a measuring
staff.
2. Level the instrument as accurately as possible.
3. Position it so that the X-axis is pointing in the direction of the mea-
suring staff or wall.
4. Turn on the tool.
5. Mark the height of the laser beam on the measuring staff or make a
mark on the wall.
6. Rotate the instrument by 180°.
7. Mark the height of the laser beam on the measuring staff or make a
new mark on the wall. The difference between the heights or marks
should not exceed 15 mm.
8. Repeat this procedure for the Y axis.
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