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25. ROUTE SURVEYING
The coordinates of the center peg and width pegs for a straight line can be found from the coordinates of the
reference point and IP point.
It is then possible to proceed with the setting-out of the center peg and width pegs.
PROCEDURE
1. In the second page of the OBS mode screen, press
[MENU], then select "Road".
2. Select "Line" to enter the Straight Line menu.
3. Input the coordinates of the reference point, then press
[OK].
• Press [LOAD] to read in the already registered coordinate
data and set as the coordinates of the reference point.
"13.1 Entering Instrument Station Data and Azimuth
Angle PROCEDURE Reading in Registered
Coordinate Data"
• The reference point coordinates can be stored as the
coordinates for a known point in the current job by pressing
[REC].
"30.1 Registering/Deleting Known Point Data"
25.2 Straight Line Calculation
P2
P1
Offset
Route origin
Q
QL
QR
BL
AZ
BL
Reference point (P1)
IP point (P2)
Follow-up distance (DL)
Route width (BL)
Target point (Q)
Width peg (QR, QL)
O c c . O r i e n .
R o a d
L i n e
C i r c . C u r v e
S p i r a l
P a r a b o l a
N p :
E p :
L i n e / B P
1 0 0 . 0 0 0
O K
1 0 0 . 0 0 0
LOAD REC
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