Sokkia CX-101 Service Manual page 121


Specifying points and curve parameters
Parameters that can be entered may be restricted depending on the points spec-
ified in step 5/6. Parameters that can be entered are marked with a circle ( ○ ).
Those that cannot are marked with a cross ( × ).
Parameters
Set
coord
To pt
Center pt
To pt
Intersect pt
Center pt
Intersect pt
To pt
Center pt
Intersect pt

Precaution when performing setting-out arc
In the following cases parameters cannot be calculated:
Chord
when Radius<
----------------- -
When Arc<Chord
When Tan In × 2<Chord
When the included angle between the back tangent and the azimuth angle
between the From Pt. and To Pt is 0°, or exceeds 180°.
Radius Angle
× ×
× ×
× ×
○ ○
× ○
○ ○
2
Arc Chord
× ×
× ×
× ×
○ ×
○ ○
× ○
17. SETTING-OUT ARC
Tan In Bk
tan
× ×
× ×
× ×
○ ○
○ ×
× ×
Directi
on
○
○
○
○
○
○
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