User Manual

Total Station Manual
105
10.1 Prism High Unknown
If the high of prism is unknown, the calculation formula of the remote heightis:
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
ƻ
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]
ƻ
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]
ƻ
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]