3. To configure your own projection, select Setup > Projection Configuration.
The Projection Configuration Menu opens.
4. Select the Projection to define the projection type.
You must first define the projection. The list of available projection files under File is
given only for the selected projection type.
5. Select File > Open command to give a list of existing Mercator or AED files depending
on the selected projection.
6. Select Reference Point.
• For AED projections: The reference point is the location from which all azimuths
display as straight lines. Usually set to the radar location.
• For Mercator projections: The map cannot cross the line 180° away from this
longitude, so set it near your location. The latitude defines the range scale.
• For Polar Stereographic: The is the longitude line which you wish to have vertical in
the map. Eectively this rotates the map. Again the latitude defines the range scale.
• For UTM: Only a longitude is selected. This is the center meridian of the UTM strip.
By convention these are spaced every 6°, starting at 3°. Use a value near your
longitude.
• For Lambert Conic: Also define 2 standard parallels.
7. Select Save to name your projection.
The name of the open projection file is displayed in the menu title bar (AED_200_KM in
the example).
IRIS Product and Display User Guide M211319EN-H
22 RESTRICTED
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