Spectra-precision Survey Pro v4.5 Recon and Nomad User Manual Manual de usuario Pagina 250

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User’s Manual – GPS Mode
240
Use the Delete Zone / Site button to delete zones or sites from
the database. You can only delete user created sites, you
cannot delete the original 'system' records in the database.
Use the Key In Zone button to open the Key In Zone screen
where you can configure a custom map projection and datum.
Key In Zone
Use the Key In Zone screen to create a custom map projection and a
custom datum transformation to add to the coordinate system
database file. You can then select this zone as the coordinate system
to use in your job.
1. Pick the Zone Type for the new map projection zone. Supported
zone types are:
Transverse Mercator
Lambert 1 parallel
Lambert 2 parallel
Stereographic (oblique and polar)
Oblique Mercator Angle
2. Pick the Datum Type for the new map projection zone. Choices for
datum are:
Pick from Data Base. Select this choice to use a datum from
the coordinate system database.
Custom Molodensky. Select this choice to enter a custom
three-parameter datum transformation.
Custom Similarity. Select this choice to enter a custom seven-
parameter datum transformation.
3. Select the Azimuth type for the new map projection zone. Choices
are:
North Azimuth. Select this choice to have a north azimuth grid.
South Azimuth. This choice to have a south azimuth grid.
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