Sokkia X-1000 series Operator's Manual page 87

• Press [RE_OBS] to measure the point
designated in step 7.
• Press [ADD] in the second page when there is a
known point that has not been observed or when
a new known point is added.
If no points are designated in step 7, all the points
or only the final point can be observed again.
9. Press [OK] to finish resection measurement and
return to <Resection/Menu>. Only Z (elevation) of
the instrument station coordinate is set. N and E
values are not overwritten.

Resection calculation process
The NE coordinates are found using angle and distance observation equations, and the instrument station
coordinates are found using the method of least squares. The Z coordinate is found by treating the
average value as the instrument station coordinates.
Calculated instrument
station coordinates set
as hypothetical coordinates
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14. RESECTION MEASUREMENT