Hi-Target HTS-420R - Prism High Unknown

Total Station Manual
- 102 -
10.1 Prism High Unknown
If the high of prism is unknown, the calculation formula of the remote height is:
H = S * cosα
1
* tanα
2
– S * sinα
1
* tanα
3
H Height difference between the base point and the remote point
V Prism High
S Slope distance between instrument and prism
α
1
Vertical angle to prism
α
2
Vertical angle to target point (remote point)
α
3
Vertical angle to base point
Steps
Key
Display
○
1 Select “Program” from
the [Main Menu] window,
then press [PAGE] switch to
second program list and
press [F2] or number key [6]
to enter the Area
application.
[PAGE]
+
[F2]
or
[6]
F1
[Program]
F2 F3 F4
F1 Area
F3 COGO
F4 Road
F2 Remote Height
(5)
(6)
(8)
(7)
2/2
○
2 After finishing the
pre-settings (know more
details at the beginning of
chapter 5), press [F4] to
enter the [Base Pt.] window
to start Remote Height app.
[F4]
F1
[Remote Height]
F2 F3 F4
偏置模式 : 偏置模式 :
[*] F1 Set Job (1)
[*] F2 Set STA (2)
[*] F3 Set B.S. (3)
F4 Start (4)
○
3 In [Base Pt.] window,
press [F4] to second page of
function keys, then press
[F2] (H.T.?) switch to the
situation of prism high
unknown to start measuring.
[F4]
+
[F2]
ALL
[Base Pt.]
DIST REC ↓
T.H. :
:
偏置模式 :
Aim and meas. base PT!
4.082 m
Base Pt.:
1.500 m
1
1
EDM H.T.? |←