MTR5b side tone audio level

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  • April 22, 2018 at 2:11 am #3694
    jg1gpy
    Member

    I purchased a MTR5b several moth ago, and I like the tiny radio very much.
    One minor problem I have been having is the level of the side tone audio. It is too loud comperaing revceiving signal, and I have to use variable register to adjust it.
    Is there any ways to ajust the audio level of the side tone? Any relevant information is appreciated. Thanks.
    Takeshi Abe, JG1GPY.

    • This topic was modified 4 years, 11 months ago by jg1gpy.
    • This topic was modified 4 years, 11 months ago by jg1gpy.
    April 22, 2018 at 5:07 pm #3697
    QRPME
    Participant

    You might try an inline volume control.

    April 26, 2018 at 8:30 am #3701
    jg1gpy
    Member

    Thank you for the suggestion. Actually, that what I am doing right now, but it is a little awkward to adjust the volume control every time switching receiving radio signal to side tone. By the way, R26 in the schematic seems control the level of side tone, and I am wondering to try to replce the fixed value registance to a variable registance so that the two volumes are matched. I wonder if some body has already tried this.

    Takeshi JG1GPY

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