b.
After inputting AZ angle, press [ENT] to
go to next input item. After inputting the
length of the line, press [ENT].
Input AZ angle
[ENT]
Input Length
[ENT]
c.
The display returns to alignment defining
main menu, and displays chainage of the
line, end point and azimuth of this point.
Now, user can define other curves.
When the line is in the middle of road, the
azimuth angle of the line is calculated
according to the previous elements. If
user is to change this azimuth angle, the
new azimuth angle can be input
manually.
Arc
Press [ARC] in “Define HZ AL” menu to define the arc. A curve consists of arc length and radius. The rule
of radius value: along the forward direction of the curve. When the arc turns right, the radius value is positive;
while the arc turns to left, the radius value is minus. The arc length can neither be negative nor longer than
the circumference.
a.
In Define HZ AL screen press [Arc] to
enter to defining arc screen.
b.
Input radius and arc length, and press
[ENT] to record this data.
Input radius and
arc length
+
[ENT]
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