UV_MAP /INDEX

        [CLEAN\]UV_MAP  [CenterX  CenterY  Unit]  [ANGLE  AngleValue]  /CONT
    [Naver] /INDEX Alpha [/RANGE Min Max Type]

    Specify the spectral index to be used for Continuum imaging using a Mul-
    ti-Frequency  Synthesis method. This option is only valid with the /CONT
    option.