Hi-Target HTS-420R - Hidden Point Measurement

Total Station Manual
- 50 -
5. Hidden Point
The function of Hidden Point is using a specia hidden point measuring rod to
measure the points which are not intervisible.
P0
R1
R2
P1
P0 Instrument station
P1 Hidden point
R1 Prism 1
R2 Prism 2
d1 Distance between
prism 1 and 2
d2 Rod length
d1
d2
The length of measuring rod is known, by measuring the position information of
prism 1 and prism 2 in the measuring rod and using mathematical methods to
calculate the coordinate of hidden point on the other side of the measuring rod.
Steps
Key
Display
○
1 In the program of
Q-Survey, press [FNC] to
enter the menu of Function,
then pressing [PAGE] to open
the second page of Function
and then pressing [F1] to
enter the function of
hidden point measurement.
[F1]
F1
[Function]
F2 F3 F4
F1 Hidden Point
F3 Laser
F4 Light
F2 Free Coding
(5)
(6)
(8)
(7)
2/3
○
2 In the interface of
measuring the first prism
point, pressing [F4] to enter
the interface of Rod Length.
[F4]
ALL
[Hidden Point]
DIST REC ROD/ED
HA :
VA :
:
偏置模式 :
89°51'16"
12°35'45"
偏置模式 :
Meas. target 1!
12.235 m
Pt. :
1
1