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8 LAYOUT
8-13
8.3.2 Resection Method
Set up the instrument at a new point, and calculate the coordinate of the new point using the coordinate
data of maximum seven known points and the measurements made to these points.
By following observation, resection is possible.
• Resection by distance measurement:2 or more points must be measured
• Resection by angle measurement only:3 or more points must be measured
An occupied point coordinate value will be calculated by the method of least squares.
(In case that 3 known points are measured by angle measurement only, the value would not be
calculated by the method of least squares. )
Operating procedure Operation Display
1 Press the [F4](
↓
) key from the layout menu 1/2 to
get the layout menu 2/2.
[F4]
2 Press the [F2](NEW POINT).
[F2]
3 Press the [F2](RESECTION) key.
[F2]
4 Press the [F1](INPUT) key, and enter the new
point name. *1) ,2)
Press the [F4](ENT) key.
[F1]
Enter PT#
[F4]
Known Point A
New Point
(Instrument)
Known Point C
Known Point B
Max. 7 points
LAYOUT 1/2
F1:OCC.PT INPUT
F2:BACKSIGHT
F3:LAYOUT P
↓
LAYOUT 2/2
F1:SELECT A FILE
F2:NEW POINT
F3:GRID FACTOR P
↓
NEW POINT
F1:SIDE SHOT
F2:RESECTION
NEW POINT
PT#:
INPUT SRCH SKP ENTER
INSTRUMENT HEIGHT
INPUT
INS.HT : 0.000 m
INPUT ––– ––– ENTER