Sokkia 130R Series Operator's Manual page 148

27. CHECKS AND ADJUSTMENTS
If one of the offset values (Xoffset,
Yoffset) exceeds ±20", adjust the
value using the following
procedure.
When the offset value falls within
the range ±20", adjustment is not
necessary.
Press {ESCAPE} to return to
<Instr. const>.
PROCEDURE Adjustment
8. Store values X2 and Y2
Press [OK] to set the horizontal
angle to 0°. "Take F2" is displayed.
9. Rotate the top of the instrument
through 180°.
10. Wait a few seconds for the display
to stabilize, then store the
automatically compensated
angles X1 and Y1.
Press [YES] to store tilt angles X1
and Y1. The new correction
constant is displayed.
11. Confirm that the values are in the
adjustment range.
If both correction constant are
within the range 400±30, select
[YES] to renew the correction
angle. <Instr. const> is restored.
Continue to step 12.
If the values exceed the
adjustment range, select [NO] to
cancel the adjustment and restore
<Instr. const>. Contact your
Sokkia agent to perform the
adjustment.
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