1mm.
Note:
•
If the instrument is not returned to normal, even through these measures, connect your
dealer or authorized shop.
Vertical check
To check vertical calibration, need a plumb bob with at least 3m of string.
•
Hang the plumb bob from the ceiling of a room whose ceiling is at least 3m high off the
floor.
•
Set up the laser in vertical position by turning it over and make the speed setting at 0 rpm.
•
Use the spot key, guide the beam from the top of the string to the bottom of it.
•
Check for any deviation in the beam from the top of the string to the bottom of it.
If the deviation is more than 3mm, the vertical axis needs calibrating.
Vertical Calibration
•
Before switching to calibration mode, press I/O key.
•
Then press cal key for more than 5 seconds, and release it to bring the rotation head to a
stop.
•
LED3 will blink in green, which indicates the axis Z calibration is in progress.
•
Aim the laser point at the upper section of plumb string just by positioning the instrument
accordingly, then use spot key to aim the laser point to the lower section of the plumb string,
check the deviation (H) from the plumb string to the current laser point.
Use either left slope key or right slope key to adjust to its half deviation.
•
After the adjustment, do the progress of axis z checking again.
•
After confirmation of desirable calibration, press cal key to save the calibration data and exit
the calibration mode.
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