function [BER,EQ_sig,Noi] = runEQ(Eq_class,Scpe_sig,Symbols,Bits,M)

    [EQ_sig] = Eq_class.process(Scpe_sig,Symbols);
    
    Noi = EQ_sig-Symbols;
    
    
    Rx_bits = PAMmapper(M,0).demap(EQ_sig);
    
    [~,errors_bm,BER,errors] = calc_ber(Rx_bits.signal,Bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1);
    
    if 0
        figure();
        constellation = unique(Symbols.signal);
        received = NaN(numel(constellation),length(Symbols));
        for lvl = 1:numel(constellation)
            received(lvl,Symbols.signal==constellation(lvl)) = EQ_sig.signal(Symbols.signal==constellation(lvl));
            hold on
            histogram(received(lvl,:),1000,"EdgeAlpha",0);
        end
        
        Noi.spectrum("displayname",['Error PSD after:  ',inputname(1),' '],'fignum',564);
    end
end