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The Units group on the Display tab contains two controls that allow you to set the Coordinates and Distance units of the map. You can specify the coordinate type by choosing an item from the Coordinates list or by clicking on <More...> which allows you to choose a projected coordinate system:

- Degrees-Minutes-Seconds
- Degrees-Minutes-DecSecs
- Decimal Minutes
- Decimal Degrees
- Military Grid Reference System (MGRS)
- U.S. National Grid (USNG)
- <More...>

You can use the Coordinates setting to control the units that are displayed in these parts of the application:

- The Position Information area at the bottom of the map display
- The Measure dialog when you use its Point tool
- The coordinates associated with the extent of the view of all notes and the location of a Point note

You can specify the distance units by choosing an item from the Distance list:

- Feet, Miles
- Meters, Kilometers

The Distance units control the type of units displayed in these parts of the application:

- The altitude of the observer in 3D Display mode. This information is adjacent to the coordinate units in the Position Information area at the bottom of the map display.
- The scalebar units. The scalebar is located in the lower right corner of the map display.
- The height above the surface of a repositioned Point note in the Note Properties dialog. (Only possible when in 3D Display mode)

The Distance setting controls the units reported by the Status Area's altitude of the observer position and the scale bar.

Learn more about the Military Grid Reference System or the US National Grid