DeWalt DW079LR T2 Series Service Manual page 8

5. Calibrate the repaired instrument.
1) Turn power on and let the instrument find its level , after the
instrument is level (need about 1 minute), switch it off;
2) Press and hold Slope button then press Power button
All the indicators will light up , indicating instrument is in calibration
mode;
to select X and Y axis.
3)Press and hold RPM button or press
select X direction adjustment, the X indicator will light up;
4) Press scan mode button to select dot mode; press
four times you can see the laser beam;
5) Adjust the beam to X mark and target by turn
Prism Cover
(0 degree);
Calibrate X - axis
Calibrate Y - axis
6) Adjust the beam to reference line by pressing or
.
7) Rotate instrument 180 degrees with X facing the same target.
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