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