Spectra Precision FOCUS 2 Series - Height Transfer (Determining Station Elevation)

SPECTRA PRECISION FOCUS 2 SERIES TOTAL STATION USER GUIDE
5 – Applications
62
Height transfer (determining station elevation)
This function determines the height of the instrument from measurements to target points with
known heights, in two faces.
After measurement, the new height of the station appears.
To enter the height transfer function:
1. From the Stn Setup menu, press [4] (or press [v] and
[REC/ENT]) to select Z Coord.
If no station was previously set up, the message Invalid
STN appears. Press any key to return to the Stn Setup
menu and select any method to set up a station.
2. Once the program records the station, enter a point with
known elevation and then press
[REC/ENT].
3. Enter the height of the target prism and then press
[REC/ENT].
4. Sight the center of the prism and then press [MSR1] or
[MSR2] to measure.
If the vertical circle is on Face-2, a message Turn to F1 appears. If this happens, rotate the
telescope and alidade and sight the BS point in Face-1.
The total station finishes the measurement and displays the result.
5. Optional. Press the F2 softkey and rotate the telescope and alidade and sight the center of the
prism in Face-2, and then press
[MSR1] or [MSR2] to measure.
6. Once the measurements on F1 and F2 are finished, press [REC/ENT].
7. The result screen appears, press the OK softkey to confirm, or Abrt to remeasure.
8. The updated station coordinates are displayed and the height, Z, is updated. The HI can also be
changed in this screen. When HI is changed, the Z coordinate is updated before the station is
recorded.
9. Press [REC/ENT] to record the updated STN. The Stn Setup menu screen appears.