Sokkia SDL30 Operator's Manual page 70

If correcting the reference value is not necessary:
If correcting the reference value is required:
• Mechanical adjustment
16 Select "No".
17 Select "Yes" to exit from the Adjust
menu.
16 Select "Yes".
The instrument calculates and records
the required reticle adjustment from
the measurement results, and then
returns to the menu selection.
17 Repeat steps 1 through 15. Make
sure that the difference between the
results is within 0.3mm.
1 Sight the barcode face of staff b from
position B and measure with the
instrument.
2 Sight the scale face of staff b from
position B and take a visual reading.
3 If the difference between the mea-
surements taken at steps 1 and 2 is
2mm or more, adjust the cross-line
as described below.
If the difference is less than 2mm, the
following steps are not necessary.
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