78
17. SETTING-OUT ARC
PROCEDUREOffsetting the arcline
The arcline can be offset in three dimensions using four methods: lateral offset, rotation angle offset, lengthwise
offset, and height offset.
1. Select “Set-out arc” in <Set-out arc>.
2. Press
{FUNC}
, and then press
[OFFSET]
to display
<Arcline offset>.
3. Set the following items.
(1) Incr:
Increment by which offsets can be decreased/
increased using the arrow softkeys.
(2) Length: Lengthwise offset
(3) Lateral: Lateral offset
(4) Height: Elevation offset
(5) Rt.ang: Rotation angle offset
•
[
]
/
[
]
: Press to decrease/increase the value by the
amount set in "Incr".
4. Press
[OK]
to return to the screen in step 2.
•
[MOVE]
: Permanently moves the baseline coordinates by
the amount set in <Arcline offset>.
5. Press
[OK]
on the screen of step 2. The coordinate value of
the required point is calculated, taking into account the
movement of the arcline, and displayed.
N
E
N
E
N
E
N
E
N
E
N
E
30
N
E
N
E
Lengthwise
offset
Lateral offset
Rotation
angle offset
Height
offset
: 1 . 0 0 0 m
S e t - o u t a r c
A r c
O f f s e t :
5 . 0 0 0
m
I n c r
P2
OFFSET
A r c l i n e o f f s e t
L e n g t h
L a t e r a l
0 . 0 0 0
m
OK
I n c r
1 . 0 0 0 m
0 . 0 0 0 m
MOVE
H e i g h t
0 . 0 0 0 m
R t . a n g
0 . 0 0 0 0
MOVE
OK
S e t - o u t a r c
E
N
Z
1 1 8 . 8 7 4
1 0 6 . 8 9 4
1 2 . 5 4 6
REC
S-O