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Roger Beep Mods for Galaxy Radios using the EPT360014 main board:

  • The roger beep tone is controlled by R181 which is 220K ohms:
    • for a higher tone try 150K to 200K ohms
    • for a lower tone try 270K to 2M ohms
  •  The roger beep time is controlled by C134 which is 2.2uF@16V DC:
    • for longer time try 5uF or 10uF@16V DC
    • for shorter time try 1uF@16V DC