Topcon ES-52 - Setting-out Arc Measurement

16. SETTING-OUT ARC
98
Setting-out arc measurement can be used to find the coordinates of required
points along the arc by inputting the arc (or chord) length and offset based on the
arc.
• Before performing setting-out arc, the arc must be defined.
PROCEDURE
1. Select “Set-out arc” in <Set-out
arc>.
2. Set the following items.
(1) Incr: Increment by which
values can be decreased/
increased using the arrow
softkeys.
(2) Arc: Distance along the
defined arc from the From
point to the required point.
(2)’ Chord: Distance along the
chord of the defined arc from
the From point to the required
point.
16.2 Setting-out Arc
Chord
Arc
Offset
Set-out arc
Set-out arc
Stn.Orien.
Define arc
: 1.000m
Set-out arc
Arc
Offset
: 5.000m
OK
CHORD
Incr
P1