Spectra-precision Survey Pro 3.80 Recon GPS Reference Manual Uživatelský manuál stáhnout pdf (Strana 43)

Survey Menu – RTK

Note: This delete function cannot be undone. Also, you cannot delete

system database records. If you select a protected record, you will be

prompted that the record cannot be deleted.

opens the Projection Key In Setup

screen where

you can create a custom map projection zone, ellipsoid and datum.

accepts the currently selected zone, sets the projection record

and writes the raw data.

Projection Key In Setup

The Projection Key In Setup wizard is used to generate a custom

mapping plane zone.

Zone Type

: is where you select what kind of map

projection to use for the new zone. You can choose:

•

Transverse Mercator.

•

Lambert 1 Parallel

•

Lambert 2 Parallel

•

Stereographic / Oblique Stereographic

•

Oblique Mercator Angle

Datum Type

: is where you select what kind of datum to

use for the new zone. You can choose:

•

Pick from database

. Choose this option to add a data

base datum and ellipsoid to the new zone

•

Custom Molodensky

. Choose this option to use a

custom 3-parameter datum transformation, with either a custom

ellipsoid or a data base ellipsoid.

•

Custom Similarity

. Choose this option to use a 7-parameter datum

transformation, with either a custom ellipsoid or a data base

ellipsoid.

Grid and Azimuth Parameters

: is where you select the grid azimuth

and the positive coordinate direction.

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