In the original file the line reads ModeUSB=MD2; Puts radio into upper sideband. ModeUSB_D=MD9; This puts the radio into FSK Reverse, Here is the corrected commands [Kenwood TS-590] ModeUSB=MD2; Puts radio into upper sideband. ModeUSB_D=DA1; Puts radio into Data mode (filter and AGC settings for AFSK)