b.
Select “Define VT AL”.
c.
Input chainage, elevation and length,
then press [ENT].
The length of start point and end point
must be 0.
Input chainage,
elevation and
length
[ENT]
d.
At the bottom of the screen “Complete”
displays, saving this alignment data, the
display returns to Define VT AL screen to
continue inputting the next alignment.
7.7.6 Edit Vertical Alignment Data
It is able to be applied to edit vertical alignment data. The operation steps are similar to that of editing
horizontal alignment.
a.
In VT Alignment select “Edit VT AL”.
b.
Screen displays the first Vertical
alignment. Use softkey [Next] to find
other alignment that needs to be edited.