25. ROUTE SURVEYING
176
6. Press [OK] in the screen shown in
step 5 to calculate the center peg
coordinates. The coordinates are then
displayed in this screen.
7. Press {ESC} three times to finish
spiral calculation and return to
<Road>.
• KA-P curve length/ P-target point curve length input range: 0.000 to 99999.999
(m)
PROCEDURE Calculation using KE2 Point as reference
1. In the second page of the OBS mode
screen, press [MENU], then select
"Road".
2. Select "Spiral" to enter the spiral menu
then select "KE-KA".
3. Input the coordinates of the KE point
(reference point). Press [OK] to set
the input values.
4. Input the azimuth angle of the arbitrary
point on the line tangential to the KE
point, then press [OK].
• Pressing [COORD] sets the
coordinate toward the tangential
direction. Pressing [AZMTH] on the
second page returns to the screen
for inputting the azimuth angle.
N
E
119.371
Spiral/CL peg
115.706
Azmth
58 59’ 18"
WIDTH
CENTER
REC S-O
KE-KA
KA-KE 1
Spiral
KA-KE 2
Np:
Ep:
Spiral/KE
225.457
167.731
REC
OKLOAD
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