User's Manual

Spectra Precision Focus 4 Total Station User Guide 79
Applications 4
Inverse
Choose this option from the Cogo menu to calculate angle and distance between two
coordinates.
Press
[1] or select Inverse in the Cogo menu. The
Inverse menu appears.
PT-PT inverse
PT-PT calculates the distance and the angle between
two input points.
To calculate a PT–PT inverse:
1. Press
[1] or select PT-PT in the Inverse menu.
2. Enter the first point number or name, and then
press
[ENT].
If you press
[ENT] without entering a point name, a
coordinate input screen appears, and you can enter
coordinates. These coordinates are not stored to the database. If you want to store the
point, specify a new point name.
3. Type the second point number/name, and then
press
[ENT]. If necessary select the MSR softkey to
shoot the point on the spot so that you can use it
in the calculation.
The azimuth, horizontal distance, and vertical
distance from the first point to the second point
are displayed.
4. Do one of the following:
– To return to the PT input screen, press [ESC].
– To return to the Cogo menu, press [ENT].
– To change the contents of the result screen,
press
[DSP].
Gd Grade (HD/VD)
V% 100/Gd
rSD Slope distance PT1 to PT2