Not sure what happened, but the Flexradio cat commands isn't available anymore in the latest ini file: [FlexRadio] CmdType=TEXT PTTOn=TX; PTTOff=RX; ModeUSB=MD2; ModeUSB_D=MD9; ModeFM=MD4; SetFreq_Data_method=TEXT SetFreqVfoA_Cmd=FA{}; SetFreqVfoA_param_length=11 SetFreqVfoA_hz_res=1 ReadFreqVfoA_Cmd=FA; ReadFreqVfoA_Result_Data_method=TEXT ReadFreqVfoA_Result_hz_res=1 ReadFreqVfoA_Result_Length=14 ReadFreqVfoA_Result_Freq_Start_Pos=3 ReadFreqVfoA_Result_Freq_Length=11 VarACExitCmd=q