%if MODE = FC %then
    %unset ANALYSIS_START_DATE
    %unset ANALYSIS_START_TIME
    %unset ANALYSIS_END_DATE
    %unset ANALYSIS_END_TIME
    %unset ANALYSIS_STEP

%if MODE = AN %then
    %unset PRODUCT
    %unset NUMBER
    %unset DATE
    %unset TIME
    %unset STEP

%if PRODUCT = HIRES %then
    %unset NUMBER

%if LEVTYPE = PL %then
    %unset ML_LEVELIST

%if LEVTYPE = ML %then
    %unset PL_LEVELIST



