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77
15.2 Add Known Points
PROCEDURE
Operating Procedure
Operation
Display
1) Press ADD in the “Resection Result Screen”.
ADD
Resection result
NO -81525.432m
EO -92594.484m
ZO 7.912m
@N 0.000m
@E 0.000m
@Z 0.000m
ROBS ADD REC. OK
2) When the former known points are not observed,
right upper screen is displayed.
When the observation for former known points is
finished, and some known points are in adding,
right lower screen is displayed.
Resection
Pt 3
< >
N 11.000m
E 12.000m
Z 13.000m
READ REC. OK
Resection
Pt 1
N 0.000m
E 0.000m
Z 0.000m
VA 273
°
18
′
15
″
HAR 150
°
18
′
15
″
Ang. DIST
☆
When there is a known point not yet measured; perform measurement using the same procedure
beginning with step 3 in “Chapter 15. Resection Measurement.”
☆
When a known point is to be added, perform measurement using the same procedure beginning
with step 1 and 2 in “Chapter 15. Resection Measurement.”
EXPLANATION
·
In some cases it is impossible to calculate the coordinates of an unknown point (instrument station)
For example if the unknown point and three or more known points are arranged on the edge of a
single circle.
An arrangement such as that shown on the left is desirable.
▲
：
Unknown point
●
：
Known point
