174
25. ROUTE SURVEYING
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
1 1 9 . 3 7 1
S p i r a l / C L p e g
1 1 5 . 7 0 6
Azmth
5 8 5 9 ’ 1 8 "
WIDTH
CENTER
REC
S-O
K E - K A
K A - K E 1
S p i r a l
K A - K E 2
N p :
E p :
S p i r a l / K E
2 2 5 . 4 5 7
1 6 7 . 7 3 1
REC
OK
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