tuning safc 5 button on my l2

[phaipercross]

hi..im just using safc 5 button and still new with this thing..my spec is,turbo td04,injector 1g,ecu standart without upgrade it..what i want to know is,if i dont want the boost cut,what should i do?by tuning the safc into -ve,boost cut will no longer?i like to up my boost to 1.4 without upgrade the ecu..and now the regulator is set to 40 psi,and my idle is damn bad (farting ol the time).Tq