FT-DX10 power meter

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  • Yaesu group

    FT-DX10 power meter

    Posted by Jim on 2024-04-01 at 10:44

    Sharing an experience I had this weekend. A friend of mine, just bought an FT-DX10 (just like yours Andy 😉 and actually because of you). We connected two antennas, with a switch, and happily tried our first QSO. Success! What surprised me/us was that the power meter was showing about 50W! Oh wow, okay, what now? So I looked at all the settings and sure enough everything that had to be set to 100W was set. Considering I had recommended the radio, I was a little panicked. After some research it turns out that the DX10’s power meter is not a peak meter, it is an average meter. Thought I would share in case anyone else has this problem.

    wa3ltj replied 5 months ago 2 Members · 1 Reply
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  • wa3ltj

    Member
    2024-08-14 at 17:44
    22
    5W posting rank

    Sorry I did not see this sooner. I was not a member of the group until now.
    The FTdx10 has a number of idiosyncrasies associated with SSB. The major problem is adjusting the mic gain, processing gain, and the AMC (automatic microphone control). These interact and just increasing the mic gain will not increase power depending on the other settings. If you use the processor (which I do), your power meter will more closely match the peak power, as expected. As I recall, the ALC meter reading is used to adjust the processor level. It is not helpful for mic gain because of the AMC. There are some detailed discussions on how to adjust the three controls. The AMC is especially vexing, because it seems backwards.
    When properly adjusted, the transmitted audio is clean sounding and has good punch, and the power peaks are not stuck at 50W. A spectrum analyzer can be helpful. The manual is not.

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