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calibration similar to one conducted during production process.
To perform the accuracy correction, select corr from the CAL
menu.
Perform correction according to required measurement
parameters by pressing Action button, see table below:
Active mode of
measurement
(Std)
Correction
parameter
Condition
D, dE
Distance
Install unit at 1 meter
1
from a flat target
2
C
Azimuth
Put unit on a level plane
and aim it to the North
direction
3
E, dE
Elevation
Put unit on the
horizontal level
1 – Accuracy of correction will depend on accuracy of
installation against the target. It must be exactly as specified. The
numbers shown on the display reflect the correction.
2 – Target should not have high-reflective surface (white color is
not considered high reflective in this case).
3 – The unit shall be well levelled with deviation from 0 not
more than ±0.75 degrees. Horizontal direction shall be to