97
Operating Procedure
Operation
Display
⑴
Press STR key in the “Input Process Screen”,
the “Define Straight Screen”.
STR
Define HZ AL
Chain: 1000.000 3
AZ: 0°00′00″
1
STR ARC TRNS PT
⑵
Enter the bearing of straight line, press ENT
key to access next entry option, after straight
length, press ENT key.
Enter
bearing
+
ENT
Enter
length
+
ENT
Straight
AZ: 0.0000
Distance: 0.000 m
OK
⑶
PressOK to record this alignment data, and
display the bearing angle and the chainage in
the end of straight line
Now, other alignments can be defined.
When the straight line is in the middle of the
road, the bearing is calculated from the original
elements. To change this bearing angle, input a
new angle manually.
OK
Define HZ AL
Chain : 1020.000 3
AZ: 4°25′00″
2
STR ARC TRNS PT
Circular Curve
Press ARC key in the “Main line Input Screen”, the circular curve can be defined. Circular curve consists of Arc
length and Radius. The rule of radius value: along the forward direction of the curve.When the curve rotates to
right, the radius value is positive. When the curve rotates to left, the radius value is minus. The arc length can not be
minus.
Operating Procedure
Operation
Display
⑴
Press ARC key in the “Input Process
Screen”,the “Define Arc” is displayed.
ARC
Define HZ AL
Chain: 1000.000 3
AZ: 0°00′00″
1
STR ARC TRNS PT