ACEA

 Projection     : Albers Conical Equal Area
 General class  : conic
 Characteristics: equal-area
 Earth model    : ellipsoid or sphere

Defining the MAPUNITS:

 MapUnits "acea"     ! Standard name.
 MapUnits "acea e0"  ! Standard name and the ellipsoid.

Other parameters:

 TrueOriginLongitude "central_meridian"       ! Required, for True origin
 TrueOriginLatitude  "latitude_of_origin"     ! Required, for True origin
 1stStandardParallel "1st_standard_parallel"  ! Required
 2ndStandardParallel "2nd_standard_parallel"  ! Required
 FalseEasting        "false_easting"          ! Optional, default is zero
 FalseNorthing       "false_northing"         ! Optional, default is zero

Possible errors:

 E332, "Equal latitudes for st. parallels on opposite sides 
        of equator" - Error encountered in initializing for the 
        projection.