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9. Enter other arc parameters.
(1) Direction (whether the arc
turns right/left from the From
point)
(2) Radius (radius of the arc)
(3) Angle (subtended angle)
(4) Arc (distance along the arc)
(5) Chord (straight line distance
between the From and To
points)
(6) Tan ln (tangent length)
(7) Bk tan (back tangent angle)
Parameters that can be
entered may be restricted
depending on the coordinates
specified in step 5.
"
Specifying coordinates
and curve parameters"
10. Enter curve parameters then
press {ENT}. Other parameters
will be calculated.
• [TO]: Observation data for To
point can be recorded.
[CENTER]: Observation data for
Center point can be recorded.
[INTSCT]: Observation data for
Intersect point can be recorded.
11. Press [OK] on the screen of step
10 to define the arc. <Set-out arc>
is displayed. Move to setting-out
arc measurement.
"17.2 Setting-out Arc" step 2
• It is also possible to perform setting-out arc measurement by pressing [S-O
ARC] when allocated to the OBS mode screen.
Allocating [S-O ARC]: "33.3 Allocating Key Functions"
D i r e c t i o n :
R a d i u s :
A n g l e
A r c
C h o r d
Ta n I n :
B k t a n :
D i r e c t i o n :
R a d i u s
A n g l e
A r c
C h o r d :
CENTER
INTSCT
112
17. SETTING-OUT ARC
L e f t
< N u l l >
:
< N u l l >
:
< N u l l >
:
1 4 1 . 4 2 1 m
< N u l l >
< N u l l >
R i g h t
:
1 0 0 . 0 0 0 m
: 9 0 0 0 ' 0 0 "
:
1 5 7 . 0 8 0 m
1 4 1 . 4 2 1 m
OK
OK
OK
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