Sokkia SDL30 Operator's Manual page 22

• Focusing when taking measurements
Procedure
1 Using the gunsight, aim the objective lens toward the staff.
2 Turn the horizontal fine motion knobs until the staff is nearly
centered in the field of view, then turn the focusing knob to focus on
the staff.
Important:
• If the staff barcodes are out of focus, they will not be readable
and measurements cannot be taken.
correctly focused.
Make sure they are
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