.nf
GAIN       [       ] Loop gain
NITER      [       ] Maximum number of clean components
FRES       [      %] Maximum value of residual (Fraction of peak)
ARES       [Jy/Beam] Maximum value of residual (Absolute)
BLC        [  pixel] Bottom left corner of cleaning box
TRC        [  pixel] Top right corner of cleaning box
POSITIVE   [       ] Minimum number of positive components at start
KEEP       [       ] Keep cleaning after convergence
MAJOR      [ arcsec] Clean beam major axis
MINOR      [ arcsec] Clean beam minor axis
ANGLE      [ degree] Position angle of clean beam
BEAM__PATCH [  pixel] Size of cleaning beam ** not clear **
.fi
