Use this dialog box to create a reference system for a viewport in paper space.
- Reference System
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Select the reference system you want to create: Latitude-Longitude, Military Grid Reference System, United States National Grid, or Current Map Coordinate System.
- Current Map Coordinate System
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The coordinate system of the current map.
- Scale
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The view scale of the current map.
- Scale
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Select or enter the actual scale at which the reference system displays.
- Precision
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The precision options vary, depending on the units used by the reference system:
- Military Grid Reference System: A fixed set of precisions in meters or Grid Zones
- Angular (for example, latitude-longitude): A fixed set of degrees
- Linear (for example, United States National Grid): A fixed set of distances
- Unknown: map space units, defaulting to 4 - 5 horizontal grid lines