Edit target – Spectra Precision Survey Pro v5.0 User Manual
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[Backsight]: Enter the backsight azimuth or backsight point name for this setup.
Note: If you wish to change the backsight point, you can only choose a user entered point (key in or imported). If you
wish to use a point derived from a survey measurement, you must first go to the Edit Points screen and insert a copy
of that point.
[Apply PPM]: Check this box if you wish to apply a PPM correction to measured slope distances. Enter the PPM
correction factor in the edit box.
[Calculate]: (Survey Pro On Board only) Opens up the
[Earth Curvature and Refraction]: Set the earth curvature and refraction correction coefficient. Select [None] to turn
earth curvature and refraction correction off for all observations from this station setup.
Raw Data Edit Calculate PPM
[Job] [View Raw Data] [Edit Station] [Calculate]
(Survey Pro On Board only)
The Calculate PPM screen allows you to calculate the PPM correction factor from the given temperature and pressure
inputs.
[Pressure]: Enter the atmospheric pressure, and set the units for pressure.
[Temperature]: Enter the temperature, and set the units for temperature.
[PPM]: The calculated PPM value.
[Calculate]: triggers the instrument to calculate the PPM correction factor from the given pressure and temperature
inputs.
Raw Data Edit Target
[Job] [View Raw Data] [Edit Target]
The Raw Data Edit Target screen allows you to edit the conventional target and height of rod.
[HR]: Enter the height of rod.
[Add Offset]: Enter any vertical offset for the height of rod.
[Prism Constant]: Enter the prism constant, in millimeters.
[Select Observations]: Select the survey observations that you wish to apply this edit to.
[Select All]: Select all of the observations currently using this target record.
[Unselect All]: Clears the selection of observations.
Survey Pro Help 5.00
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