Use this dialog box to select the coordinate system.
Zone
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Specifies the category of the coordinate system. This constrains the available coordinate systems.
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Specifies the available coordinate systems. Select from the list or enter a known coordinate system.
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Specifies the code for the coordinate system. Populated when you specify a coordinate system or you can enter a coordinate system code.
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Displays a description for the selected coordinate system.
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Displays the projection for the selected coordinate system. For example, LL for Latitude/Longitude or TM for Transverse Mercator.
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Displays the datum for the selected coordinate system.