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TNF

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Bob G W1GLV
Bob G W1GLV Member ✭✭
edited October 2019 in SmartSDR for Windows
TNF works but not like PSDR. I turned it on and it got rid of the tuner upper but it also distorted the audio.

Comments

  • Tim - W4TME
    Tim - W4TME Administrator, FlexRadio Employee admin
    edited October 2019
    Options
    Make sure the TNF filter is not too wide or it will notch out audio in the RX passband.
  • Ernest - W4EG
    Ernest - W4EG Member ✭✭
    edited January 2015
    Options

    Apparently I am applying the TNF incorrectly or it is not working on my 6700.

    When I use it, I move  it to the annoying signal and stretch the TNF filter width to cover  the interfering signal.

    Then depending of the signal, I widen the BW .  However, I am not able to notch it out; by applying the "DEEP" or the "VERY DEEP"

    In other words, it does not work at all as it was in the PDSR radios.

    Is this a me problem or the 6700?

  • Steve - M3SXA
    Steve - M3SXA Member
    edited February 2015
    Options
    Did it turn yellow.... if not click on TNF bottom of screen left side as I made that mistake :-)
  • Ernest - W4EG
    Ernest - W4EG Member ✭✭
    edited January 2015
    Options

    Steve,

    I click on the left side +TNF to create the slice.

    Then I expand the slice to create width to mask the QRM (still gray)

    If I follow what you are saying ... I clicked the +TNF and it does not change color (still gray) but it creates another slice instead.

    Am I follow your instruction correct?

    BTW, no matter where I click, no change no matter where I click. I have looked for  information on the new manual and checked the forum and the Home Q and A in the Flex website.


  • Steve - M3SXA
    Steve - M3SXA Member
    edited February 2015
    Options
    Hi Earnest, yes sounds like you are doing it correct, but to make the TNF's active you have to click the TNF button at the bottom left corner see image.... hope that helps. (see page 45 (8.3) of pdf manual)

  • Ernest - W4EG
    Ernest - W4EG Member ✭✭
    edited January 2015
    Options

    If it had been more obvious, I would properly be dead by now!

    Thanks for pointing it out. It took a while to find where the TNF was located; until I was preparing to ask if you could place an arrow or circle to find it.

    I am suggesting that FRS have the TNF change color when it is activated  just like the TX bottom goes RED when transmitting. Of course not in red, but some other soft color other than WHITE.

    Thanks and I gave you s star for the quick answer and solution!

  • Steve - M3SXA
    Steve - M3SXA Member
    edited February 2015
    Options
    It happened to me.... hence I knew the answer :-)
    tnx's for star...

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