Topcon GTS-823A - Manual (Page 70)

5-12
5 PROGRAM MODES
5 Collimate prism A and press [F1](MEAS) key.
The distance measurement will start.
Horizontal distance is displayed.
Collimate
A
[F1]
6 Press [F6] (SET) key, and horizontal distance
will be recorded.
[F6]
7 Collimate prism B and press [F1](MEAS) key.
The distance measurement will start.
Horizontal distance is displayed.
Collimate
B
[F1]
8 Press [F6] (SET) key, and horizontal distance
will be recorded.
[F6]
9 Sight line point L .
Measured data to the line point L is displayed.
VD:Vertical distance.
HD:Horizontal distance from the instrument to
L.
Off :Horizontal distance from A to L.
Sight L
10 Press [F2](LH) key.
This function is used when measuring the line
height from the ground. The procedure is as
follows :
l Sight the point on the line before pressing this
key.
l Don‘t move the horizontal tangent screw by
setting ground point G.
[F2]
LINE
P
T A
HD* < m
MEAS SET
LINE
PT A
HD* 50.234 m
MEAS SET
LINE
PT B
HD: m
MEAS SET
LINE
PT B
HD* < m
MEAS SET
LINE
PT B
HD* 67.543 m
MEAS SET
LINE
VD: 20.123 m
HD: 38.987 m
Off: 74.123 m
EXIT LH
LINE
G-POINT
V : 30°20'10"
EXIT SET