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Adjusting CTCSS Level

Ed Johnson
Ed Johnson Member ✭✭
edited June 2019 in FLEX-6000 Signature Series
In the Flex 6400 using the latest SmartSDR and a 2 meter transverter, when I activate CTCSS in NFM mode the deviation is almost 5 KHz and competes with the voice.  Is there a way to adjust the CTCSS transmit level in the NFM mode down to 0.5KHz like it should be??

Answers

  • AH0U
    AH0U Member
    edited June 2019
    Look on p-ge 93 of the manual... it’s adjusted in the flag
  • Eric-KE5DTO
    Eric-KE5DTO Administrator, FlexRadio Employee admin
    edited October 2018
    See chapter 22 in the SmartSDR Software User Guide.  It describes the deviation as a function of the mode (NFM at 2.5kHz vs FM at 5kHz).
  • Ed Johnson
    Ed Johnson Member ✭✭
    edited April 2019
    The flag shows no place for me to adjust the CTCSS level, rather only which CTCSS frequency to use.  Unless I am missing something ....
  • Ed Johnson
    Ed Johnson Member ✭✭
    edited April 2019
    I still don't see any way to adjust the CTCSS deviation. The manual explains it, but does not provide any way to increase or decrease the CTCSS level.  In the NFM mode the CTCSS transmitted is as strong as the voice and needs to be only 20% of the voice deviation.
  • Ed Johnson
    Ed Johnson Member ✭✭
    edited April 2019
    I have corrected the high CTCSS deviation by rebooting the 6400 and it seems to be normal again.  I am assuming the CTCSS levels are hard coded and are not changeable.
  • Eric-KE5DTO
    Eric-KE5DTO Administrator, FlexRadio Employee admin
    edited October 2018
    I believe that is correct.

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