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Key in zone, Key in zone - setup – Spectra Precision Survey Pro v4.6 Recon-Nomad Reference Manual User Manual

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Survey Pro Reference Manual

R-226

Key in Zone

Survey Projection Select Zone…

Key in Zone >

.

Key In Zone - Setup

The Key In Zone Setup screen is used to pick the zone and datum

type for the new zone, as well as set the azimuth orientation and grid
direction for the new 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.

• North

Azimuth

: is where you set a north azimuth for your new

zone.

• South

Azimuth

: is where you set a south azimuth for your new

zone.

• North/East

Grid

: is where you set the coordinates increasing

positive in the north, east direction