SPECSWEEP /ADD_FEBE

    [NOEMAOFFLINE\]SPECSWEEP ChannelSpacing [/NTUNING|/RANGE] /ADD_FEBE

    The created FEBE (FrontEnd/BackEnd configurations) will be added to  the
    register  of  saved Febe.  Can be used to create a script to be uploaded
    to PMS using the frequency cycling mode (using PROPOSAl /FEBE command).